138-712: US Airways was a major airline in the United States . It was originally founded in Pittsburgh as a mail delivery airline called All American Aviation , which soon became a commercial passenger airline. In 1953, it was renamed Allegheny Airlines and operated under that name for a quarter-century. In October 1979, after the passage of the Airline Deregulation Act , Allegheny Airlines changed its name to USAir. A decade later it had acquired Piedmont Airlines and Pacific Southwest Airlines (PSA), and
276-537: A focus city airport for the company. By 2010, Pittsburgh was no longer listed as a US Airways focus city. US Airways now operated an average of only 39 departures a day exclusively to domestic destinations, compared to 2001 when it was a hub with 500+ flights a day with service across the United States and to Europe. Western Pennsylvania leaders and most notably the designer of the 1992 modernization of Pittsburgh International, Tasso Katselas , pointed out that
414-580: A " Special Relationship " with the United Kingdom and strong ties with Canada , Australia , New Zealand , the Philippines , Japan , South Korea , Israel , and several European Union countries ( France , Italy , Germany , Spain , and Poland ). The U.S. works closely with its NATO allies on military and national security issues, and with countries in the Americas through
552-629: A company founded in 1939 by du Pont family brothers Richard C. du Pont and Alexis Felix du Pont Jr. Headquartered in Pittsburgh , the airline served the Ohio River valley in 1939. In 1949 the company was renamed All American Airways as it switched from airmail to passenger service; it changed its name again to Allegheny Airlines on January 1, 1953. Allegheny's first jet was the Douglas DC-9 in 1966; it absorbed Lake Central Airlines in 1968 and Mohawk Airlines in 1972 to become one of
690-457: A concessionary agreement, forced US Airways into a second round of Chapter 11 bankruptcy protection proceedings on September 12, 2004. Widespread employee discontent and a high volume of employee sick calls were blamed by the airline for a staff shortage around the 2004 Christmas holiday, a public relations disaster which led to speculation that the airline could be liquidated; the USDOT found that
828-542: A coordinated, continent-wide military effort. Finally, deteriorating relations between the British military establishment and the colonists, relations that were already less than positive, set the stage for further distrust and dislike of British troops. Following their victory in the French and Indian War, Britain began to assert greater control over local colonial affairs, resulting in colonial political resistance ; one of
966-534: A decentralized government that operated until 1789. After the British surrender at the siege of Yorktown in 1781 American sovereignty was internationally recognized by the Treaty of Paris (1783), through which the U.S. gained territory stretching west to the Mississippi River, north to present-day Canada, and south to Spanish Florida . The Northwest Ordinance (1787) established the precedent by which
1104-407: A few prominent industrialists , largely by their formation of trusts and monopolies to prevent competition. Tycoons led the nation's expansion in the railroad , petroleum , and steel industries. The United States emerged as a pioneer of the automotive industry . These changes were accompanied by significant increases in economic inequality , slum conditions , and social unrest , creating
1242-666: A global reach. The U.S. is a founding member of the World Bank , Organization of American States , NATO , and the United Nations , as well as a permanent member of the UN Security Council . The first documented use of the phrase "United States of America" is a letter from January 2, 1776. Stephen Moylan , a Continental Army aide to General George Washington , wrote to Joseph Reed , Washington's aide-de-camp , seeking to go "with full and ample powers from
1380-549: A new terminal at its hub in Pittsburgh . In 1996 the alliance between USAir and British Airways ended in a court battle when British Airways announced its intentions to partner with American Airlines. About March 1, 1997 USAir changed its name to US Airways and introduced a new corporate identity. A stylized version of the United States flag was adopted as a new logo. The new branding was applied to terminals and ticket jackets. The airline painted aircraft in deep blue and medium gray with red and white accent lines. That same year,
1518-598: A period of heightened, overt racism following Reconstruction, a time often called the nadir of American race relations . A series of Supreme Court decisions, including Plessy v. Ferguson , emptied the Fourteenth and Fifteenth Amendments of their force, allowing Jim Crow laws in the South to remain unchecked, sundown towns in the Midwest, and segregation in communities across the country , which would be reinforced by
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#17327905137431656-661: A period of time. USAir continued this practice by changing the name of its two other wholly owned regional airline subsidiaries, Jetstream and Suburban Airlines, to PSA Airlines and Allegheny Airlines , respectively ( Pacific Southwest Airlines was the name of a California-based airline merged into USAir). In 1997, USAir was renamed US Airways, and Piedmont and Allegheny were likewise re-branded as US Airways Express carriers. US Airways merged Allegheny Airlines into Piedmont in 2004. The airline had more than 10,000 employees as of August 2022 and operated nearly 400 daily flights to more than 55 destinations. As of January 2024, Piedmont
1794-548: A process of de-emphasizing its hub-and-spoke system to capitalize on direct flights between major eastern airports such as Washington National Airport and New York-LaGuardia . The airline became the 15th member of the Star Alliance on May 4, 2004. Fuel costs and deadlocked negotiations with organized labor, chiefly the Air Line Pilots Association , traditionally the first group to come to
1932-488: A prominent leader in the early 1960s. The Great Society plan of President Lyndon Johnson 's administration resulted in groundbreaking and broad-reaching laws, policies and a constitutional amendment to counteract some of the worst effects of lingering institutional racism . The counterculture movement in the U.S. brought significant social changes, including the liberalization of attitudes toward recreational drug use and sexuality . It also encouraged open defiance of
2070-526: A sense of manifest destiny . The Missouri Compromise attempted to balance the desire of northern states to prevent the expansion of slavery into new territories with that of southern states to extend it, admitting Missouri as a slave state and Maine as a free state. It further prohibited slavery in all other lands of the Louisiana Purchase north of the 36°30′ parallel . As Americans expanded further into land inhabited by Native Americans,
2208-614: A sense of American identity as well. Men who otherwise never left their own colony now traveled across the continent to fight alongside men from decidedly different backgrounds but who were no less "American". British officers trained American officers for battle, most notably George Washington ; these officers would lend their skills and expertise to the colonists' cause during the American Revolutionary War to come. In addition, colonial legislatures and officials found it necessary to cooperate intensively in pursuit of
2346-446: A single contract, each group of crewmembers would fly only on its pre-merger airlines' aircraft and the flights would be marked accordingly. Since the computer systems were merged, former America West-operated flights were marketed as though America West was a wholly owned carrier. This marketing is common practice for airlines that have code-share agreements with other airlines operating aircraft for feeder or regional routes and although
2484-983: A smaller sample size, conducted in April, found that US Airways remained in last place, with its score dropping an additional 10 points. Also in 2007, the Today/Zagat Airline Survey rated US Airways as the worst airline overall in the United States, ranking it 10/30 for comfort, 5/30 for food, 10/30 for service and 15/30 for its online reservations system. On August 1, 2008, US Airways ceased providing free drinks; passengers could buy bottled water or soda for $ 2 or coffee and tea for $ 1. Shuttle flights between LGA , DCA and BOS continued to offer free beverages. US Airways resumed serving complimentary drinks in March 2009. US Airways ranked last out of 20 domestic airline carriers for on-time performance in March, April, and May 2007, according to DOT figures. According to
2622-507: A very poor record of addressing customer complaints, answering only 50% of the telephone calls to its customer service department. United States The United States of America ( USA ), commonly known as the United States ( U.S. ) or America , is a country primarily located in North America . It is a federal union of 50 states and a federal capital district, Washington, D.C. The 48 contiguous states border Canada to
2760-401: A year). Juvenile correctional facilities are operated by local or state governments and serve as longer-term placements for any minor adjudicated as delinquent and ordered by a judge to be confined. As of January 2023, the United States has the sixth-highest per capita incarceration rate in the world—531 people per 100,000 inhabitants—and the largest prison and jail population in
2898-591: Is believed to be the first widespread culture in the Americas. Over time, indigenous North American cultures grew increasingly sophisticated, and some, such as the Mississippian culture , developed agriculture , architecture , and complex societies . In the post-archaic period , the Mississippian cultures were located in the midwestern , eastern , and southern regions, and the Algonquian in
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#17327905137433036-761: Is currently the exclusive operator at Pitt–Greenville Airport , Florence Regional Airport , Watertown International Airport , and Salisbury Regional Airport . Piedmont Airlines currently flies under the American Eagle brand after a merger of American Airlines and US Airways in December 2013. The airline operates maintenance bases in Albany , Charlotte , Harrisburg , Philadelphia , Richmond , Roanoke and Salisbury . Piedmont has crew bases in Charlotte, Harrisburg, and Philadelphia. As of November 2024,
3174-498: Is known as the presidential system , in contrast to the parliamentary system , where the executive is part of the legislative body. Many countries around the world imitated this aspect of the 1789 Constitution of the United States , especially in the Americas. The Constitution is silent on political parties. However, they developed independently in the 18th century with the Federalist and Anti-Federalist parties. Since then,
3312-438: Is now the United States experienced conflicts with Native Americans, they also engaged in trade, exchanging European tools for food and animal pelts. Relations ranged from close cooperation to warfare and massacres. The colonial authorities often pursued policies that forced Native Americans to adopt European lifestyles, including conversion to Christianity. Along the eastern seaboard, settlers trafficked African slaves through
3450-552: Is the federal agency charged with addressing most environmental-related issues . The idea of wilderness has shaped the management of public lands since 1964, with the Wilderness Act . The Endangered Species Act of 1973 provides a way to protect threatened and endangered species and their habitats. The United States Fish and Wildlife Service implements and enforces the Act. In 2024, the U.S. ranked 34th among 180 countries in
3588-520: The 2008 fuel crisis ended those plans. As a further result of the skyrocketing fuel costs, the airline rolled back the planned summer 2007 service upgrades as well as ending its existing in-flight entertainment on all domestic routes. A Consumer Reports survey of 23,000 readers in June 2007 ranked US Airways as the worst airline for customer satisfaction. The survey was conducted before the airline's March 2007 service disruptions. A follow-up survey polling
3726-603: The Allies of World War I , helping to turn the tide against the Central Powers . In 1920, a constitutional amendment granted nationwide women's suffrage . During the 1920s and '30s, radio for mass communication and the invention of early television transformed communications nationwide. The Wall Street Crash of 1929 triggered the Great Depression , which President Franklin D. Roosevelt responded to with
3864-553: The Atlantic slave trade . The original Thirteen Colonies that would later found the United States were administered as possessions of Great Britain , and had local governments with elections open to most white male property owners . The colonial population grew rapidly, eclipsing Native American populations; by the 1770s, the natural increase of the population was such that only a small minority of Americans had been born overseas. The colonies' distance from Britain allowed for
4002-817: The Bering land bridge more than 12,000 years ago, and formed various civilizations and societies . British colonization led to the first settlement of the Thirteen Colonies in Virginia in 1607. Clashes with the British Crown over taxation and political representation sparked the American Revolution , with the Second Continental Congress formally declaring independence on July 4, 1776. Following its victory in
4140-549: The Environmental Performance Index . The country joined the Paris Agreement on climate change in 2016 and has many other environmental commitments. The United States is a federal republic of 50 states and a separate federal capital district, Washington, D.C. It also asserts sovereignty over five unincorporated territories and several uninhabited island possessions . The U.S. is
4278-500: The Federal Bureau of Investigation (FBI) and the U.S. Marshals Service have national jurisdiction and specialized duties, such as protecting civil rights , national security and enforcing U.S. federal courts ' rulings and federal laws. State courts conduct most civil and criminal trials, and federal courts handle designated crimes and appeals of state court decisions . There is no unified "criminal justice system" in
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4416-720: The Great Lakes , Mississippi River and Gulf of Mexico . British colonization of the East Coast began with the Virginia Colony (1607) and Plymouth Colony (1620). The Mayflower Compact and the Fundamental Orders of Connecticut established precedents for representative self-governance and constitutionalism that would develop throughout the American colonies. While European settlers in what
4554-719: The Great Lakes region and along the Eastern Seaboard , while the Hohokam culture and Ancestral Puebloans inhabited the southwest . Native population estimates of what is now the United States before the arrival of European immigrants range from around 500,000 to nearly 10 million. Christopher Columbus began exploring the Caribbean for Spain in 1492, leading to Spanish-speaking settlements and missions from Puerto Rico and Florida to New Mexico and California . France established its own settlements along
4692-524: The House of Representatives , a lower house based on population; and the Senate , an upper house based on equal representation for each state. Federalism provides substantial autonomy to the 50 states, while the country's political culture promotes liberty , equality , individualism , personal autonomy , and limited government . One of the world's most developed countries , the United States has had
4830-596: The Midwest . At the same time, about one million French Canadians migrated from Quebec to New England . During the Great Migration , millions of African Americans left the rural South for urban areas in the North. Alaska was purchased from Russia in 1867. The Compromise of 1877 effectively ended Reconstruction and white supremacists took local control of Southern politics . African Americans endured
4968-688: The National Park Service and other agencies. About 28% of the country's land is publicly owned and federally managed, primarily in the Western States . Most of this land is protected , though some is leased for commercial use, and less than one percent is used for military purposes. Environmental issues in the United States include debates on non-renewable resources and nuclear energy , air and water pollution , biodiversity , logging and deforestation , and climate change . The U.S. Environmental Protection Agency (EPA)
5106-544: The New Deal , a series of sweeping programs and public works projects combined with financial reforms and regulations . All were intended to protect against future economic depressions. Initially neutral during World War II , the U.S. began supplying war materiel to the Allies of World War II in March 1941 and entered the war in December after the Empire of Japan 's attack on Pearl Harbor . The U.S. developed
5244-778: The Organization of American States and the United States–Mexico–Canada Free Trade Agreement . In South America, Colombia is traditionally considered to be the closest ally of the United States. The U.S. exercises full international defense authority and responsibility for Micronesia , the Marshall Islands , and Palau through the Compact of Free Association . It has increasingly conducted strategic cooperation with India , but its ties with China have steadily deteriorated. Since 2014,
5382-648: The Pentium microprocessor in accordance with Moore's law , rechargeable lithium-ion batteries , the first gene therapy trial, and cloning either emerged in the U.S. or were improved upon there. The Human Genome Project was formally launched in 1990, while Nasdaq became the first stock market in the United States to trade online in 1998. In the Gulf War of 1991, an American-led international coalition of states expelled an Iraqi invasion force that had occupied neighboring Kuwait . The September 11 attacks on
5520-655: The Salisbury Regional Airport in Wicomico County, Maryland , near the city of Salisbury . The airline is a wholly-owned subsidiary of the American Airlines Group and it is paid by fellow group member American Airlines to staff, operate and maintain aircraft used on American Eagle flights that are scheduled, marketed and sold by American Airlines. Piedmont also provides ground handling and customer service for airports in
5658-477: The Seabury Group , suggested putting the airline up for sale. The following month, US Airways Group and America West Holdings resumed their discussions. On May 19, 2005, both airlines officially announced the merger deal, structured as a reverse takeover . Financing for the deal was supplied by outside investors included Airbus , Air Wisconsin (a US Airways Express operator), and ACE Aviation Holdings ,
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5796-534: The Soviet Union's collapse and the end of the Cold War in 1991, the U.S. emerged as the world's sole superpower , wielding significant geopolitical influence globally . The U.S. national government is a presidential constitutional federal republic and liberal democracy with three separate branches : legislative , executive , and judicial . It has a bicameral national legislature composed of
5934-591: The Spanish–American War . (The Philippines was granted full independence from the U.S. on July 4, 1946, following World War II. Puerto Rico and Guam have remained U.S. territories.) American Samoa was acquired by the United States in 1900 after the Second Samoan Civil War . The U.S. Virgin Islands were purchased from Denmark in 1917. The United States entered World War I alongside
6072-648: The cotton gin made the institution increasingly profitable for Southern elites . This sectional conflict regarding slavery culminated in the American Civil War (1861–1865). Eleven slave states seceded and formed the Confederate States of America , while the other states remained in the Union . War broke out in April 1861 after the Confederates bombarded Fort Sumter . After
6210-537: The fall of communism and the collapse of the Soviet Union , which marked the end of the Cold War and left the United States as the world's sole superpower . The 1990s saw the longest recorded economic expansion in American history , a dramatic decline in U.S. crime rates , and advances in technology . Throughout this decade, technological innovations such as the World Wide Web , the evolution of
6348-547: The largest airline in the world . The holding companies of American and US Airways merged effective December 9, 2013. The combined airline carried the American Airlines name and branding and maintained the existing US Airways hubs for a period of at least five years under the terms of a settlement with the Department of Justice and several state attorneys general. US Airways management ran the combined airline from
6486-445: The largest nominal GDP since about 1890 and accounted for over 15% of the global economy in 2023. It possesses by far the largest amount of wealth of any country and has the highest disposable household income per capita among OECD countries. The U.S. ranks among the world's highest in economic competitiveness , productivity , innovation , human rights , and higher education . Its hard power and cultural influence have
6624-733: The 1775 Battles of Lexington and Concord , igniting the American Revolutionary War . At the Second Continental Congress , the colonies appointed George Washington commander-in-chief of the Continental Army , and created a committee that named Thomas Jefferson to draft the Declaration of Independence . Two days after passing the Lee Resolution to create an independent nation the Declaration
6762-408: The 1775–1783 Revolutionary War , the country continued to expand westward across North America , resulting in the dispossession of native inhabitants . As more states were admitted , a North–South division over slavery led to the secession of the Confederate States of America , which fought states remaining in the Union in the 1861–1865 American Civil War . With the victory and preservation of
6900-520: The 2010s, political polarization in the country increased between liberal and conservative factions. This polarization was capitalized upon in the January 2021 Capitol attack , when a mob of insurrectionists entered the U.S. Capitol and sought to prevent the peaceful transfer of power in an attempted self-coup d'état . The United States is the world's third-largest country by total area behind Russia and Canada. The 48 contiguous states and
7038-596: The American West have an alpine climate . The climate is arid in the Southwest, Mediterranean in coastal California , and oceanic in coastal Oregon , Washington , and southern Alaska . Most of Alaska is subarctic or polar . Hawaii , the southern tip of Florida and U.S. territories in the Caribbean and Pacific are tropical . States bordering the Gulf of Mexico are prone to hurricanes, and most of
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#17327905137437176-430: The American headquarters in Fort Worth, Texas . On April 8, 2015, the FAA officially granted a single operating certificate for both carriers, marking the end of US Airways as an independent carrier. The brand continued to exist until October 2015. Its first hub was in Pittsburgh , and it operated hubs in Charlotte , Las Vegas , Philadelphia , Phoenix–Sky Harbor , and Washington–Reagan . The final US Airways flight
7314-457: The Bureau of Transportation Statistics June 2008 report (using data from May 2008), US Airways ranked seventh for percentage of on-time arrivals. US Airways was the leader in service complaints with 4.4 complaints per 100,000 customers. The US Airways rate of customer complaints was 7.5 times the rate of JetBlue (0.59 complaints per 100,000 customers) and 11 times the rate of Southwest Airlines (0.4 complaints per 100,000 customers). US Airways had
7452-420: The Declaration of Independence on July 4, 1776. The term "United States" and the initialism "U.S.", used as nouns or as adjectives in English, are common short names for the country. The initialism "USA", a noun, is also common. "United States" and "U.S." are the established terms throughout the U.S. federal government , with prescribed rules. In English, the term "America" rarely refers to topics unrelated to
7590-404: The District of Columbia occupy a combined area of 3,119,885 square miles (8,080,470 km ). The coastal plain of the Atlantic seaboard gives way to inland forests and rolling hills in the Piedmont plateau region. The Appalachian Mountains and the Adirondack massif separate the East Coast from the Great Lakes and the grasslands of the Midwest . The Mississippi River System ,
7728-458: The Elder concluded that major military resources needed to be devoted to North America to win the war against France. For the first time, the continent became one of the main theaters of what could be termed a " world war ". The British colonies' position as an integral part of the British Empire became more apparent during the war, with British military and civilian officials becoming a more significant presence in American life. The war increased
7866-465: The January 1863 Emancipation Proclamation , many freed slaves joined the Union army . The war began to turn in the Union's favor following the 1863 Siege of Vicksburg and Battle of Gettysburg , and the Confederacy surrendered in 1865 after the Union's victory in the Battle of Appomattox Court House . The Reconstruction era followed the war. After the assassination of President Abraham Lincoln , Reconstruction Amendments were passed to protect
8004-421: The Pittsburgh airport itself, since US Airways had signed a 30-year lease and the county had issued $ 600 million in bonds for construction, which were supposed to be paid by US Air. US Air's move eliminated thousands of jobs and was a financial gut punch for the entire Pittsburgh region; former Allegheny County Executive Rich Fitzgerald said US Air's departure was the "second devastating economic blow after steel in
8142-476: The Rocky Mountains, the Yellowstone Caldera , is the continent's largest volcanic feature. In 2021, the United States had 8% of global permanent meadows and pastures and 10% of cropland. With its large size and geographic variety, the United States includes most climate types. East of the 100th meridian , the climate ranges from humid continental in the north to humid subtropical in the south. The western Great Plains are semi-arid . Many mountainous areas of
8280-451: The U.S. has become a key ally of Ukraine ; it has also provided the country with significant military equipment and other support in response to Russia's 2022 invasion . The president is the commander-in-chief of the United States Armed Forces and appoints its leaders, the secretary of defense and the Joint Chiefs of Staff . The Department of Defense , which is headquartered at the Pentagon near Washington, D.C., administers five of
8418-661: The U.S. territories." Despite disparate systems of confinement, four main institutions dominate: federal prisons , state prisons , local jails, and juvenile correctional facilities . Federal prisons are run by the Federal Bureau of Prisons and hold people who have been convicted of federal crimes, including pretrial detainees. State prisons, run by the official department of correction of each state, hold sentenced people serving prison time (usually longer than one year) for felony offenses. Local jails are county or municipal facilities that incarcerate defendants prior to trial; they also hold those serving short sentences (typically under
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#17327905137438556-537: The US Airways and America West computer reservation systems merged. US Airways, which previously used the Sabre airline computer system, switched to the new QIK system, an overlay for the SHARES system, that had been used by America West. A few of the features from the Sabre system were incorporated into the new joint system, with the most prominent being the continued utilization of the Sabre ramp partition "DECS" for all computer functions related to weight and balance, aircraft loading and technical flight tracking within
8694-509: The US Airways brand. Operations were not fully integrated until October 2008, when government approval was obtained to allow the airlines to operate under a single operating certificate . In May 2006, the US Airways and America West web sites were merged. The new US Airways web site united the two brands using graphics and styles reflective of the airline's new livery and services. In July 2006, US Airways and America West ordered 20 new Airbus A350 aircraft. In December 2006, US Airways became
8832-416: The United States and the peaceful transfer of power , respectively. The Louisiana Purchase of 1803 from France nearly doubled the territory of the United States. Lingering issues with Britain remained , leading to the War of 1812 , which was fought to a draw. Spain ceded Florida and its Gulf Coast territory in 1819. In the late 18th century, American settlers began to expand westward , many with
8970-541: The United States entered the Cold War, where geopolitical tensions between the U.S. and the Soviet Union led the two countries to dominate world affairs . The U.S. utilized the policy of containment to limit the USSR's sphere of influence, and prevailed in the Space Race , which culminated with the first crewed Moon landing in 1969. Domestically, the U.S. experienced economic growth , urbanization , and population growth following World War II . The civil rights movement emerged, with Martin Luther King Jr. becoming
9108-495: The United States has operated as a de facto two-party system , though the parties in that system have been different at different times. The two main national parties are presently the Democratic and the Republican . The former is perceived as relatively liberal in its political platform while the latter is perceived as relatively conservative . In the American federal system , sovereign powers are shared between two levels of elected government: national and state. People in
9246-402: The United States in 2001 by the pan-Islamist militant organization al-Qaeda led to the war on terror , and subsequent military interventions in Afghanistan and Iraq . The cultural impact of the attacks was profound and long-lasting. The U.S. housing bubble culminated in 2007 with the Great Recession , the largest economic contraction since the Great Depression. Coming to a head in
9384-415: The United States of America to Spain" to seek assistance in the Revolutionary War effort. The first known public usage is an anonymous essay published in the Williamsburg newspaper, The Virginia Gazette , on April 6, 1776. By June 1776, the "United States of America" appeared in the Articles of Confederation and the Declaration of Independence . The Second Continental Congress adopted
9522-490: The United States, slavery was abolished nationally . By 1900, the country had established itself as a great power , a status solidified after its involvement in World War I . After Japan 's attack on Pearl Harbor in December 1941, the U.S. entered World War II . Its aftermath left the U.S. and the Soviet Union as the world's two superpowers and led to the Cold War , during which both countries struggled for ideological dominance and international influence . Following
9660-434: The United States, despite the usage of "the Americas " as the totality of North and South America. "The States" is an established colloquial shortening of the name, used particularly from abroad; "stateside" is the corresponding adjective or adverb. The first inhabitants of North America migrated from Siberia across the Bering land bridge about 12,000 years ago; the Clovis culture , which appeared around 11,000 BC,
9798-478: The United States, except Iran , North Korea , and Bhutan . Though Taiwan does not have formal diplomatic relations with the U.S., it maintains close unofficial relations. The United States regularly supplies Taiwan with military equipment to deter potential Chinese aggression. Its geopolitical attention also turned to the Indo-Pacific when the United States joined the Quadrilateral Security Dialogue with Australia, India, and Japan. The United States has
9936-509: The United States. The American prison system is largely heterogenous, with thousands of relatively independent systems operating across federal, state, local, and tribal levels. In 2023, "these systems [held] almost 2 million people in 1,566 state prisons, 98 federal prisons, 3,116 local jails, 1,323 juvenile correctional facilities, 181 immigration detention facilities, and 80 Indian country jails, as well as in military prisons , civil commitment centers, state psychiatric hospitals, and prisons in
10074-541: The airline also introduced a single-class subsidiary known as MetroJet , which competed with low-cost carriers like Southwest Airlines expanding to the East. MetroJet operated Boeing 737-200s , the oldest aircraft in the fleet, allowing it to achieve the best utilization possible before being retired. On November 6, 1996, immediately prior to the rebranding to US Airways, the airline placed an order for up to 400 Airbus A320-series narrow-body aircraft, with 120 firm orders at
10212-602: The airline as "Henson, The Piedmont Regional Airline." Under Piedmont's control, the airline expanded rapidly, particularly in Florida . Both were purchased by the USAir Group in 1987 with Piedmont absorbed two years later and Henson's aircraft repainted in USAir Express livery. The 1980s saw rapid growth by the company with the upgrade of its fleet to the de Havilland Canada Dash 8 aircraft and fleet expansion. With
10350-713: The airline was rebranded in 1993 to re-use the name of the 1948–1989 airline, Piedmont Airlines , one of the predecessors of today's American Airlines, to protect the trademark. The airline was formed in 1961 by Richard A. Henson as Henson Aviation, a fixed-base operator in Hagerstown, Maryland . It began its first scheduled flights to Washington National Airport in 1962 under the Hagerstown Commuter name, later changed to Henson Airlines. Allegheny Airlines (which became US Airways , which in turn has now merged with American Airlines ) and Henson began one of
10488-484: The availability of financing and merger partners, and after no financing was available, it filed for Chapter 11 bankruptcy again in 2004 for the second time in two years. The airline merged in 2005 with America West Airlines . Under terms of the merger agreement, the America West board of directors created two new entities. First, a new "US Airways Group" was created to receive the bankrupt US Airways' assets and form
10626-1008: The call sign "CACTUS", while the pre-merger US Airways crews primarily flew with their respective aircraft and used the call sign "US AIR". In October 2008, the company began operating under a single operating certificate (that of the former US Airways). This required operation under a single call sign and identifier and that of America West ("CACTUS" and "AWE") were chosen as a sign of the company lineage. In addition, flights operated using former America West aircraft and crews were numbered 1–699, whereas flights operated by pre-merger US Airways aircraft and crews were numbered 700–1999. (Flights numbered 2000–2199 were shuttle services and those 2200 and higher were operated by express subsidiaries.) Aircraft operated by pre-merger US Airways crews or former America West crews flew under two different United States Department of Transportation operating certificates until September 25, 2007. However, until pilot and flight attendant union groups from both sides successfully negotiated
10764-422: The company. America West Airlines and US Airways merged FAA certificates on September 25, 2007. Former America West employees (including pilots, fleet service personnel, flight attendants) remained on their original America West union contracts and did not fully combine workforces with their pre-merger US Airways counterparts. Until October 2008, former America West aircraft flew with their respective crews and used
10902-457: The contiguous United States are in the State of California, about 84 miles (135 km) apart. At an elevation of 20,310 feet (6,190.5 m), Alaska's Denali is the highest peak in the country and continent. Active volcanoes are common throughout Alaska's Alexander and Aleutian Islands , and Hawaii consists of volcanic islands. The supervolcano underlying Yellowstone National Park in
11040-556: The country's GDP. The U.S. has 42% of the world's nuclear weapons —the second-largest share after Russia. The United States has the third-largest combined armed forces in the world, behind the Chinese People's Liberation Army and Indian Armed Forces . The military operates about 800 bases and facilities abroad, and maintains deployments greater than 100 active duty personnel in 25 foreign countries. State defense forces (SDFs) are military units that operate under
11178-469: The country's territory would expand with the admission of new states , rather than the expansion of existing states. The U.S. Constitution was drafted at the 1787 Constitutional Convention to overcome the limitations of the Articles. It went into effect in 1789, creating a federal republic governed by three separate branches that together ensured a system of checks and balances . George Washington
11316-465: The deal. As the largest carrier at Washington National Airport , US Airways was disproportionately affected by that airport's extended closure following the September 11 terrorist attacks. The resulting financial disaster precipitated the closure of the airline's MetroJet network, which led to the closing of the subsidiary's primary operating base at Baltimore-Washington International Airport and
11454-713: The development of self-governance, and the First Great Awakening , a series of Christian revivals , fueled colonial interest in religious liberty . For a century, the American colonists had been providing their own troops and materiel in conflicts with indigenous peoples allied with Britain's colonial rivals , especially France, and the Americans had begun to develop a sense of self-defense and self-reliance separate from Britain. The French and Indian War (1754–1763) took on new significance for all North American colonists after Parliament under William Pitt
11592-529: The early '80s ." In August 2004, US Airways attempted to build a Latin American gateway at Ft. Lauderdale/Hollywood , announcing service to 10 cities in Latin America and the Caribbean. The attempt was largely unsuccessful and short-lived, in part due to Fort Lauderdale's proximity to American Airlines' hub at Miami International Airport and its extensive Latin American network. US Airways also began
11730-575: The early 1990s, USAir expanded to Europe with flights to London, Paris, and Frankfurt from its four main hubs. The company formed partnerships, marketing the Trump Shuttle as the "USAir Shuttle" and accepting a large investment from British Airways that started one of the first transatlantic alliances , resulting in several Boeing 767-200ERs being painted in the British Airways livery, but operated by USAir. In 1992, it also invested in
11868-673: The end of the decade. Although the airline returned to profitability in the mid-1990s, its route network's concentration in the Northeastern United States and high operating costs prompted calls for the company to merge with another airline. Beginning in 2000 US Airways started retiring aircraft in an attempt to simplify its fleet and reduce costs, replacing many of its older planes with the new Airbus A320 -family aircraft. On March 30, 2000, US Airways received its first Airbus A330-300 . On May 24, 2000, US Airways announced plans to be acquired for $ 4.3 billion by UAL Corp.,
12006-580: The environment for labor unions to begin to flourish . This period eventually ended with the advent of the Progressive Era , which was characterized by significant reforms. Pro-American elements in Hawaii overthrew the Hawaiian monarchy ; the islands were annexed in 1898. That same year, Puerto Rico , the Philippines , and Guam were ceded to the U.S. by Spain after the latter's defeat in
12144-541: The federal government often applied policies of Indian removal or assimilation . The Trail of Tears (1830–1850) was a U.S. government policy that forcibly removed and displaced most Native Americans living east of the Mississippi River to lands far to the west. These and earlier organized displacements prompted a long series of American Indian Wars west of the Mississippi. The Republic of Texas
12282-509: The first American "legacy" carrier to add the Embraer 190 to its mainline fleet. It remains one of only three American carriers to operate the E190 in scheduled service, JetBlue and Breeze being the others. At the end of 2006, US Airways made a bid for competitor Delta Air Lines , which it opposed, treating it as a hostile takeover by US Airways. The final bid was valued at $ 10 billion but
12420-606: The first nuclear weapons and used them against the Japanese cities of Hiroshima and Nagasaki in August 1945, ending the war. The United States was one of the " Four Policemen " who met to plan the post-war world , alongside the United Kingdom , Soviet Union , and China . The U.S. emerged relatively unscathed from the war, with even greater economic power and international political influence . After World War II,
12558-503: The first plane on November 28, 1984. In 1979, USAir's network was east of the Mississippi, plus spokes to Houston and Phoenix; it added Dallas-Ft Worth and Kansas City in 1981, Denver in 1982 and Los Angeles, San Francisco and San Diego in 1983. It acquired two commuter airlines, Pennsylvania Airlines and Suburban Airlines , in 1985. It bought San Diego –based Pacific Southwest Airlines (PSA) in 1986 and Winston-Salem, North Carolina –based Piedmont Airlines in 1987. The PSA acquisition
12696-535: The furloughing of thousands of employees. The airline entered Chapter 11 bankruptcy on August 11, 2002, but received a government-guaranteed loan through the Air Transportation Stabilization Board and was able to exit bankruptcy in 2003 after a relatively short period. The airline made major cost reductions during its bankruptcy, but it still encountered higher-than-average per-seat-mile costs. In 2003, US Airways began exploring
12834-588: The growth in capacity, the airline expanded to Florida , including numerous intrastate routes in Florida, and it opened a maintenance facility in Jacksonville . The Piedmont name was resurrected in 1993, when USAir (the erstwhile Allegheny Airlines that became US Airways) renamed Henson to "Piedmont Airlines", to protect the Piedmont brand name, which could be used by others if not exercised in trade use for
12972-463: The integration of Army National Guard units and personnel into the U.S. Army and (since 1947) the U.S. Air Force. There are about 18,000 U.S. police agencies from local to national level in the United States. Law in the United States is mainly enforced by local police departments and sheriff departments in their municipal or county jurisdictions. The state police departments have authority in their respective state , and federal agencies such as
13110-427: The largest carriers in the northeastern United States. In 1973 it was the ninth-largest airline in the free world by passengers carried (and 24th largest by passenger-miles). With expansion came growing pains: in the 1970s Allegheny had the nickname "Agony Air". Allegheny's agreement with Henson Airlines , the forerunner to today's US Airways Express carrier Piedmont Airlines , to operate "Allegheny Commuter" flights
13248-502: The merger to close on September 27. Since the merger, US Airways had been headquartered at the former America West corporate offices in Tempe, Arizona , and America West executives and board members were largely in control of the merged company. The company's aircraft merged FAA operating certificate included America West's airline call sign and identifiers "CACTUS" and "AWE". During 2006, the airline began consolidating its operations under
13386-482: The military draft (leading to the end of conscription in 1973) and wide opposition to U.S. intervention in Vietnam (with the U.S. totally withdrawing in 1975). A societal shift in the roles of women was significantly responsible for the large increase in female paid labor participation during the 1970s, and by 1985 the majority of American women aged 16 and older were employed. The late 1980s and early 1990s saw
13524-612: The most attractive to the population are the most vulnerable. The U.S. is one of 17 megadiverse countries containing large numbers of endemic species : about 17,000 species of vascular plants occur in the contiguous United States and Alaska, and over 1,800 species of flowering plants are found in Hawaii, few of which occur on the mainland. The United States is home to 428 mammal species, 784 birds, 311 reptiles, 295 amphibians , and around 91,000 insect species. There are 63 national parks , and hundreds of other federally managed parks, forests, and wilderness areas , managed by
13662-491: The most efficient, least costly, and least financially wasteful airfield in the world. Although conceding that those updates cost more, he argued they were more than offset by Pittsburgh's vast built-in nonnegotiable fuel and time, and to a lesser degree, labor savings. Local officials maintain that Allegheny County "bent over backwards" to accommodate US Airways and saved them millions of dollars, only to be abandoned. US Airways's abandonment of its Pittsburgh hub nearly bankrupted
13800-662: The most violent, the California genocide of thousands of Native inhabitants, lasted into the early 1870s, just as additional western territories and states were created. During the colonial period, slavery had been legal in the American colonies , though the practice began to be significantly questioned during the American Revolution. States in the North enacted abolition laws , though support for slavery strengthened in Southern states , as inventions such as
13938-474: The name US Airways Express via code sharing agreements. The airline had severe financial difficulties in the early 2000s, filing for chapter 11 bankruptcy twice in two years. In 2005, America West Airlines carried out a reverse merger , acquiring the assets and branding of the larger US Airways while putting the America West leadership team largely in charge of the merged airline. In 2013, American Airlines and US Airways announced plans to merge, creating
14076-481: The new corporation. Second, "America West Holdings" was merged into "Barbell Acquisition Corporation", a subsidiary of the new "US Airways Group", on September 27, 2005; through this transaction, "America West Holdings" became a wholly owned subsidiary of the new "US Airways Group". The "America West Holdings" stockholders were required to authorize these changes. Upon completion, 37% of the new "US Airways Group" would be owned by "America West Holdings" stockholders, 11% by
14214-541: The next few years USAir closed down PSA's hubs in California and Piedmont's hubs in Dayton and Syracuse , though both remained focus cities. By 1990, the airline had consolidated its headquarters, moving from Washington National Airport to a new building at Crystal City , in Arlington County, Virginia , near the airport. Maintenance and operations headquarters remained at Pittsburgh International Airport. In
14352-660: The north and Mexico to the south, with the states of Alaska to the northwest and the archipelagic Hawaii in the Pacific Ocean . The United States also asserts sovereignty over five major island territories and various uninhabited islands . The country has the world's third-largest land area , largest exclusive economic zone , and third-largest population , exceeding 334 million. Its three largest metropolitan areas are New York , Los Angeles , and Chicago , and its three most populous states are California , Texas , and Florida . Paleo-Indians migrated across
14490-401: The northeastern and western United States . Piedmont operates a fleet consisting exclusively of Embraer ERJ 145 regional jet aircraft. Its main base is Philadelphia International Airport with an additional hub at Charlotte Douglas International Airport . The company has a team of more than 9,800 employees, operating flights to nearly 50 destinations. Started in 1961 as Henson Airlines ,
14628-497: The old "US Airways Group" debtholders and 52% by new equity investors. The result was the fifth largest US-based airline in terms of revenue. The merger was completed on November 4, 2007. While America West was the nominal survivor, the merged airline retained the US Airways name, since studies indicated that "US Airways" had better brand recognition worldwide than did "America West". In early 2003, US Airways management liquidated
14766-547: The parent company of Air Canada . The merged airline retained the US Airways name to emphasize its national scope, as well as to capitalize on US Airways' worldwide recognition, Dividend Miles frequent flyer program , and Star Alliance membership. On September 13, 2005, America West shareholders voted to approve the merger agreement and three days later the U.S. Bankruptcy Court for the Eastern District of Virginia approved US Airways' emergence from bankruptcy, allowing
14904-438: The parent company of United Airlines , the world's largest commercial carrier at the time. The complex deal drew immediate objections from labor unions , consumer advocates and antitrust regulators. Negotiations stalled; with both airlines losing money and the deal all but certain to be blocked by the federal government, UAL withdrew its purchase offer on July 27, 2001, paying US Airways a $ 50 million penalty for withdrawing from
15042-517: The pensions of its 6,000 pilots by releasing their pensions into the federal pension program Pension Benefit Guaranty Corporation . The company was one of the first major airlines to eliminate pilots' pensions in order to cut costs. Following a trial run of selling in-flight food in 2003, US Airways discontinued free meal service on domestic flights later that year. In late 2003-early 2004, US Airways lobbied for lower operating fees at Pittsburgh International Airport , citing its economies of scale as
15180-408: The policy of redlining later adopted by the federal Home Owners' Loan Corporation . An explosion of technological advancement accompanied by the exploitation of cheap immigrant labor led to rapid economic expansion during the late 19th and early 20th centuries , allowing the United States to outpace the economies of England, France, and Germany combined. This fostered the amassing of power by
15318-437: The practice is uncommon for major airlines, it greatly simplified the process for passengers connecting between historically US Airways-operated flights and former America West-operated flights. In the summer of 2007, US Airways began upgrading its in-flight services, from food and entertainment to the training of flight attendants. The airline was planning to test-market a new seatback entertainment system in early 2008, however,
15456-422: The primary carrier and largest tenant at the airport. US Airways attempted to leverage its adverse cash position and "red ink" in the years following 9/11 to negotiate better financial terms with the airport. The Allegheny County Airport Authority rejected US Airways' demands for reduced landing fees and lower lease payments, in part due to antitrust and FAA regulations that required the airport operator to extend
15594-574: The primary colonial grievances was a denial of their rights as Englishmen , particularly the right to representation in the British government that taxed them . To demonstrate their dissatisfaction and resolve, the First Continental Congress met in 1774 and passed the Continental Association , a colonial boycott of British goods that proved effective. The British attempt to then disarm the colonists resulted in
15732-561: The problems were caused primarily by poor airline management. Even before the second bankruptcy filing of 2004, one of the alternatives US Airways Group explored was a possible merger with America West, as the two airlines had complementary networks and similar labor costs. The parties held preliminary discussions and conducted due diligence from February through July 2004. Ultimately, these talks ended due to issues related to labor, pension, and benefit costs. By December 2004, US Airways had cut labor costs significantly. Its investment adviser,
15870-452: The reason fees and payments were higher than average is expressly because US Airways requested the most modern and advanced airport in the world in return for basing its hub there. Katselas has also been vocal that the issue of negotiable fees and payments are irrelevant when compared to the three biggest costs of any airline: fuel, time, and labor, all of which his redesign of PIT from 1987 to 1992 helped to reduce. In fact, those changes created
16008-570: The rights of African Americans . National infrastructure, including transcontinental telegraph and railroads , spurred growth in the American frontier . From 1865 through 1917 an unprecedented stream of immigrants arrived in the United States, including 24.4 million from Europe. Most came through the port of New York City , and New York City and other large cities on the East Coast became home to large Jewish , Irish , and Italian populations, while many Germans and Central Europeans moved to
16146-614: The rocky Great Basin and Chihuahua , Sonoran , and Mojave deserts. In the northwest corner of Arizona , carved by the Colorado River over millions of years, is the Grand Canyon , a steep-sided canyon and popular tourist destination known for its overwhelming visual size and intricate, colorful landscape. The Sierra Nevada and Cascade mountain ranges run close to the Pacific coast . The lowest and highest points in
16284-693: The same financial terms to all carriers if it accepted US Airways' demands. US Airways threatened to move traffic to rival hubs in Philadelphia and Charlotte, and the airline made good on its threat in November 2004, reducing its flights at Pittsburgh International Airport from primary-hub to secondary-hub status. This action also resulted in the closing of the commuter terminal, also known as concourse E. The airline, led by former ExpressJet Airlines CEO David N. Siegel , continued to demote Pittsburgh International Airport in subsequent years until it became only
16422-573: The six service branches, which are made up of the U.S. Army , Marine Corps , Navy , Air Force , and Space Force . The Coast Guard is administered by the Department of Homeland Security in peacetime and can be transferred to the Department of the Navy in wartime. The United States spent $ 916 billion on its military in 2023, which is by far the largest amount of any country , making up 37% of global military spending and accounting for 3.4% of
16560-545: The sole authority of a state government. SDFs are authorized by state and federal law but are under the command of the state's governor . They are distinct from the state's National Guard units in that they cannot become federalized entities. A state's National Guard personnel, however, may be federalized under the National Defense Act Amendments of 1933 , which created the Guard and provides for
16698-543: The states are also represented by local elected governments , which are administrative divisions of the states. States are subdivided into counties or county equivalents , and further divided into municipalities . The District of Columbia is a federal district containing the U.S. capital, Washington, D.C. . The federal district is an administrative division of the federal government. Federally recognized tribes govern 326 Indian reservations . The United States has an established structure of foreign relations, and it has
16836-510: The structure and responsibilities of the national federal government and its relationship with the individual states. The U.S. Constitution is the world's oldest national constitution still in effect (from March 4, 1789). Composed of three branches, all headquartered in Washington, D.C., the federal government is the national government of the United States. It is regulated by a strong system of checks and balances . The three-branch system
16974-527: The time of signing. The order was regarded as the largest bulk aircraft request in history. In 1998 the airline followed with an order for up to 30 Airbus A330-series wide-body aircraft , with an initial firm order for seven of the Airbus A330-300s. These orders enabled US Airways to replace its older aircraft with newer, more efficient aircraft. In 1997 US Airways bought the remains of Trump Shuttle . US Airways expanded its flights to Europe through
17112-582: The world's fourth-longest river system , runs predominantly north–south through the heart of the country. The flat and fertile prairie of the Great Plains stretches to the west, interrupted by a highland region in the southeast. The Rocky Mountains , west of the Great Plains, extend north to south across the country, peaking at over 14,000 feet (4,300 m) in Colorado . Farther west are
17250-583: The world's second-largest diplomatic corps as of 2024 . It is a permanent member of the United Nations Security Council , and home to the United Nations headquarters . The United States is a member of the G7 , G20 , and OECD intergovernmental organizations. Almost all countries have embassies and many have consulates (official representatives) in the country. Likewise, nearly all countries host formal diplomatic missions with
17388-501: The world's first code sharing arrangements in 1967. Henson re-branded itself as an Allegheny Commuter carrier using Beechcraft 99 aircraft. It initially developed a route structure serving Washington D.C., Philadelphia and Baltimore, while establishing a new headquarters for Allegheny Commuter at Salisbury, Maryland in 1968. In the 1970s, the airline upgraded to Short 330 and de Havilland Canada Dash 7 turboprops. In 1983, Piedmont Aviation bought Henson Airlines and re-branded
17526-444: The world's oldest surviving federation, and its presidential system of national government has been adopted, in whole or in part, by many newly independent states worldwide following their decolonization . It is a liberal representative democracy "in which majority rule is tempered by minority rights protected by law ". The Constitution of the United States serves as the country's supreme legal document , also establishing
17664-553: The world's tornadoes occur in the country , mainly in Tornado Alley . Overall, the United States receives more high-impact extreme weather incidents than any other country. Extreme weather became more frequent in the U.S. in the 21st century, with three times the number of reported heat waves as in the 1960s. In the American Southwest , droughts became more persistent and more severe. The regions considered as
17802-539: The world, with almost 2 million people incarcerated . An analysis of the World Health Organization Mortality Database from 2010 showed U.S. homicide rates "were 7 times higher than in other high-income countries, driven by a gun homicide rate that was 25 times higher". Henson Airlines Piedmont Airlines, Inc. ( / ˈ p iː d m ɒ n t / PEED -mont ) is an American regional airline headquartered at
17940-427: Was San Francisco to Philadelphia via Phoenix and Charlotte , operating as Flight 1939 with 1939 commemorating the birth of All American Aviation, which eventually became US Airways. Repainting of US Airways' planes into the American Airlines scheme was expected to take until "late 2016", with new flight attendant uniforms also being introduced in 2016. US Airways traces its history to All American Aviation Inc.,
18078-575: Was annexed in 1845, and the 1846 Oregon Treaty led to U.S. control of the present-day American Northwest . Victory in the Mexican–American War resulted in the 1848 Mexican Cession of California, Nevada, Utah, and much of present-day Colorado and the American Southwest . The California gold rush of 1848–1849 spurred a huge migration of white settlers to the Pacific coast, leading to even more confrontations with Native populations. One of
18216-759: Was adopted on July 4, 1776. The political values of the American Revolution included liberty , inalienable individual rights ; and the sovereignty of the people ; supporting republicanism and rejecting monarchy , aristocracy , and all hereditary political power; civic virtue ; and vilification of political corruption . The Founding Fathers of the United States , who included Washington, Jefferson, John Adams , Benjamin Franklin , Alexander Hamilton , John Jay , James Madison , Thomas Paine , and many others, were inspired by Greco-Roman , Renaissance , and Enlightenment philosophies and ideas. The Articles of Confederation were ratified in 1781 and established
18354-624: Was completed on April 9, 1988, and the Piedmont acquisition on August 5, 1989. The PSA acquisition gave USAir a network on the West Coast, while the Piedmont acquisition gave USAir a strong East Coast presence and hubs in Baltimore and Charlotte , which remained hubs for USAir. The Piedmont acquisition in 1989 was the largest airline merger until then and USAir became one of the world's largest airlines, with more than 5,000 flights daily to 134 airports (plus 48 more airports on USAir Express). In
18492-583: Was elected the country's first president under the Constitution, and the Bill of Rights was adopted in 1791 to allay skeptics' concerns about the power of the more centralized government. His resignation as commander-in-chief after the Revolutionary War and his later refusal to run for a third term as the country's first president established a precedent for the supremacy of civil authority in
18630-633: Was one of the U.S.'s seven transcontinental legacy carriers . In 1997, it rebranded as US Airways. The airline had an extensive international and domestic network, with 193 destinations in 24 countries in North America, South America, Europe, and the Middle East. The airline was a member of the Star Alliance , before becoming an affiliate member of Oneworld in March 2014. US Airways had 343 mainline jets, as well as 278 regional jet and turboprops flown by contract and subsidiary airlines under
18768-517: Was the industry's first code-share agreement, a type of service now offered throughout the industry. Allegheny changed its name to USAir in 1979 after the passage of the Airline Deregulation Act the previous year, which enabled the airline to expand its route network to the southeastern United States. USAir was a launch customer for the Boeing 737-300 , as the airline needed an aircraft with greater capacity to serve its growing Florida markets. USAir
18906-582: Was the world's largest operator of DC-9 aircraft at the time and approached McDonnell Douglas to negotiate a new design. However, in the late 1970s, the McDonnell Douglas' proposed successor to the DC-9-50 did not suit USAir. After the negotiations with McDonnell Douglas broke down, Boeing came forward with a proposed variant of the 737. USAir selected the new 737 and the company worked closely with Boeing during its development, taking delivery of
19044-433: Was withdrawn on January 31, 2007, since US Airways failed to secure backing from Delta's creditors. The airline stated that it would no longer pursue a possible takeover of Delta. Aircraft were equipped with Verizon Airfone in every row of seats. Since Verizon ended this service, the airline has deactivated the service and as of 2007, has removed the phones or has covered them in all aircraft. Overnight on March 4, 2007,
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