This is a list of airlines that have an air operator's certificate issued by the Federal Aviation Administration of the United States.
Note: Destinations in bold indicate primary hubs, those in italic indicate secondary hubs, and those with regular font indicate focus cities. For legacy carriers American, Delta, and United, the most strategic/well connected hubs are shown as primary hubs.
Airline | Image | IATA | ICAO | Callsign | Primary hubs, secondary hubs | Founded | Notes |
---|---|---|---|---|---|---|---|
Alaska Airlines | ![]() | AS | ASA | ALASKA | Seattle/Tacoma Anchorage Portland (OR) San Francisco Los Angeles | 1932 | Founded as McGee Airways and commenced operations in 1944 as Alaska Airlines. |
Allegiant Air | ![]() | G4 | AAY | ALLEGIANT | Las Vegas Cincinnati Destin/Ft. Walton Beach Indianapolis Orlando/Sanford Pittsburgh Appleton | 1997 | Founded as WestJet Express and began operations in 1998 as Allegiant Air. |
American Airlines | ![]() | AA | AAL | AMERICAN | Dallas/Fort Worth Charlotte Chicago–O'Hare Miami Philadelphia Phoenix–Sky Harbor Los Angeles New York–JFK New York–LaGuardia Washington–National | 1926 | Founded as American Airways and commenced operations in 1936 as American Air Lines; largest airline in the world based on airline company revenue, scheduled passenger miles flown (per year), and fleet size. |
Avelo Airlines | ![]() | XP | VXP | AVELO | Burbank New Haven Hartford Lakeland Raleigh/Durham Santa Rosa Wilmington (DE) Wilmington (NC) Concord (NC) | 1987 | First, it did business as Casino Express Airlines and commenced operations in 1989. Started scheduled service in Burbank, CA, April 28, 2021. |
Breeze Airways | ![]() | MX | MXY | MOXY | Charleston (SC) Hartford New Orleans Norfolk Providence Provo Tampa | 2018 | Founded as Moxy Airways, but was renamed due to trademark issues. |
Delta Air Lines | ![]() | DL | DAL | DELTA | Atlanta Detroit Minneapolis/St. Paul New York–JFK Salt Lake City Boston Los Angeles New York–LaGuardia Seattle/Tacoma | 1924 | Founded as Huff Daland Dusters and commenced operations in 1929 as Delta Air Service. |
Eastern Airlines | ![]() | 2D | EAL | EASTERN | Miami | 2010 | Founded as Dynamic Airways. |
Frontier Airlines | ![]() | F9 | FFT | FRONTIER FLIGHT | Denver Atlanta Chicago–O'Hare Cincinnati Cleveland Las Vegas Miami Orlando Philadelphia Raleigh/Durham | 1994 | |
Hawaiian Airlines | ![]() | HA | HAL | HAWAIIAN | Honolulu Kahului | 1929 | Founded as Inter-Island Airways in early 1929 and commenced operations in late 1929 as Hawaiian Airlines. |
JetBlue | ![]() | B6 | JBU | JETBLUE | New York–JFK Boston Los Angeles Fort Lauderdale Orlando | 1998 | Founded as New Air and commenced operations in 2000 as JetBlue Airways. |
Southwest Airlines | ![]() | WN | SWA | SOUTHWEST | Dallas–Love Atlanta Baltimore Chicago–Midway Denver Houston–Hobby Las Vegas Los Angeles Oakland Orlando Phoenix–Sky Harbor Nashville | 1967 | Founded as Air Southwest and commenced operations in 1971 as Southwest Airlines; largest airline in the world based on number of passengers served per year. |
Spirit Airlines | ![]() | NK | NKS | SPIRIT WINGS | Fort Lauderdale Atlantic City Atlanta Detroit Las Vegas Chicago–O'Hare Dallas/Fort Worth Baltimore Orlando Houston–Intercontinental | 1980 | Founded as Charter One. |
Sun Country Airlines | ![]() | SY | SCX | SUN COUNTRY | Minneapolis/St. Paul Dallas/Fort Worth Las Vegas | 1982 | Commenced operations in 1983. Operates some Amazon Air cargo flights. |
United Airlines | ![]() | UA | UAL | UNITED | Chicago–O'Hare Denver Houston–Intercontinental Newark San Francisco Washington–Dulles Guam Los Angeles | 1926 | Founded as Varney Air Lines and commenced operations in 1931 as United Air Lines. |
Airline | Image | IATA | ICAO | Callsign | Primary hubs, secondary hubs | Founded | Notes |
---|---|---|---|---|---|---|---|
AirMed International | ![]() | Birmingham | 1987 | Founded as MEDjet International. | |||
Air Methods | Denver–Centennial | 1980 | |||||
Critical Air Medicine | 1984 | ||||||
Lifestar | |||||||
Life Lion |
Airline | Image | IATA | ICAO | Callsign | Primary hubs, secondary hubs | Founded | Notes |
---|---|---|---|---|---|---|---|
Comco | ![]() | 2002 | |||||
Janet | ![]() | WWW | JANET | Las Vegas | 1972 | ||
Justice Prisoner and Alien Transportation System | ![]() | JUD | JUSTICE | Oklahoma City | 1980 | Commenced operations in 1995. |