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Major and regional airline operators in the USA

AirlineTypeHeadquartersIATA CodeFounded
American AirlinesMainlineFort Worth, TexasAA1926
Delta Air LinesMainlineAtlanta, GeorgiaDL1924
United AirlinesMainlineChicago, IllinoisUA1926
Southwest AirlinesLow-CostDallas, TexasWN1967
Alaska AirlinesMainlineSeaTac, WashingtonAS1932
JetBlue AirwaysLow-CostLong Island City, New YorkB61998
Spirit AirlinesUltra Low-CostMiramar, FloridaNK1983
Frontier AirlinesUltra Low-CostDenver, ColoradoF91994
Hawaiian AirlinesMainlineHonolulu, HawaiiHA1929
Allegiant AirUltra Low-CostLas Vegas, NevadaG41997

Regional Airlines

AirlineTypeHeadquartersIATA CodeFounded
Envoy AirRegionalIrving, TexasMQ1998
SkyWest AirlinesRegionalSt. George, UtahOO1972
Piedmont AirlinesRegionalSalisbury, MarylandPT1931
Republic AirwaysRegionalIndianapolis, IndianaYX1973
Mesa AirlinesRegionalPhoenix, ArizonaYV1980
PSA AirlinesRegionalVandalia, OhioOH1979
Compass AirlinesRegionalMinneapolis, MinnesotaCP2006
GoJet AirlinesRegionalBridgeton, MissouriG72004
Horizon AirRegionalSeaTac, WashingtonQX1981
Silver AirwaysRegionalFort Lauderdale, Florida3M2010

 

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