Major Airlines in USA

As of my last update in September 2021, here are some details about major airlines in the USA:

1. American Airlines (AA): American Airlines is one of the largest and oldest airlines in the world. Headquartered in Fort Worth, Texas, it operates an extensive domestic and international network. American Airlines is a founding member of the Oneworld alliance and has hubs at major airports, including Dallas/Fort Worth International Airport (DFW), Charlotte Douglas International Airport (CLT), and others.
2. Delta Air Lines (DL): Delta Air Lines is another major American airline with its headquarters in Atlanta, Georgia. It is one of the world’s largest airlines and operates an extensive domestic and international network. Delta is a founding member of the SkyTeam alliance and has hubs at airports like Hartsfield-Jackson Atlanta International Airport (ATL), Minneapolis-Saint Paul International Airport (MSP), and more.
3. United Airlines (UA): United Airlines is a major carrier headquartered in Chicago, Illinois. It operates an extensive global route network and is one of the largest airlines in the world. United is a founding member of the Star Alliance and has hubs at airports such as Chicago O’Hare International Airport (ORD), Denver International Airport (DEN), and others.
4. Southwest Airlines (WN): Southwest Airlines is known for its low-cost, no-frills approach to air travel. Headquartered in Dallas, Texas, it primarily operates domestic flights within the United States. Southwest is notable for its point-to-point route network and operates from several focus cities, including Dallas Love Field (DAL), Chicago Midway International Airport (MDW), and others.
5. JetBlue Airways (B6): JetBlue is a low-cost carrier based in New York City. It offers both domestic and international flights, with a focus on the eastern and western coasts of the United States. JetBlue is known for its comfortable seating and in-flight entertainment options. Its main hub is at John F. Kennedy International Airport (JFK) in New York.
6. Alaska Airlines (AS): Alaska Airlines is based in Seattle, Washington, and is a major carrier on the West Coast. It operates flights across the United States, as well as to destinations in Canada, Mexico, and some international locations. Alaska Airlines has hubs at Seattle-Tacoma International Airport (SEA) and Los Angeles International Airport (LAX).
7. Spirit Airlines (NK): Spirit Airlines is an ultra-low-cost carrier with its headquarters in Miramar, Florida. It primarily operates domestic flights within the United States and to select international destinations in the Caribbean, Central America, and South America. Spirit is known for its no-frills approach and offers low base fares with additional fees for optional services.

Please note that the aviation industry is dynamic, and airlines may change their routes, services, and policies over time. It’s always a good idea to check the latest information and updates directly from the airlines’ official websites before making any travel plans.