AA
American Airlines · Legacy
BOSCLTDCADFWLAXLGAMIAORDPHLPHX
10 bases →DL
Delta Air Lines · Legacy
ATLBOSDTWLAXMSPNYCSEASLCAUS · Satellite/FACVG · Satellite/FAHNL · Satellite/FALAS · Satellite/FAPDX · Satellite/FAPHX · Satellite/FASFO · Satellite/FA
15 bases →UA
United Airlines · Legacy
DENEWRIADIAHLAXORDSFOCLEGUMHNLLASMCOPHXAUS · SatelliteFLL · SatelliteTPA · SatelliteSAN · SatelliteBOS · Satellite
18 bases →WN
Southwest Airlines · Major
ATLAUSBWIDALDENHOULASLAXMDWBNAOAKMCOPHX
13 bases →AS
Alaska Airlines · Legacy
ANCLAXPDXSANSEASFO
6 bases →B6
JetBlue · Low-cost
BOSEWRFLLJFKLAXMCOSJU
7 bases →NK
Spirit Airlines · Low-cost
Ceased operations
Yes, we know Spirit ceased operations. We're leaving this up for a while, just for nostalgia's sake.
No bases listed →F9
Frontier Airlines · Low-cost
ATLCHICLECVGDENDFWLASMCOMIAPHLPHXSJUTPA
13 bases →HA
Hawaiian Airlines · Legacy
HNLLAXSEA
3 bases →G4
Allegiant Air · Low-cost
ABEATWAVLAZA/IWACVGDSMFLLINDLASPIEPGDPITPVUSFBTYSVPS
16 bases →XP
Avelo Airlines · Low-cost
HVNILGLALUSATKI · Planned
5 bases →MX
Breeze Airways · Low-cost
BDLCAKCHSFLLMCOMSYORFPVDPVURDURSWTPAVRB
13 bases →SYSY
Sun Country Airlines · Low-cost · Allegiant-owned
MSPIFP · FA onlyLAS · FA onlyGPT · FA only
4 bases →OO
SkyWest Airlines · Regional
ATLAUSBOIORDCOSDFWDENDTWFATIAHLAXMKEMSPPSPPHXPDXSLCSANSFOSEATUS
21 bases →YX
Republic Airways · Regional
BOSCMHDCAEWRINDLGAORDPHLPITSDFIAD · Ex-MesaIAH · Ex-Mesa
12 bases →9E
Endeavor Air · Regional
ATLCVGDTWMSPJFKLGARDU
7 bases →MQ
Envoy Air · Regional
ORDDFWMIAPHXDCA · Planned
5 bases →OH
PSA Airlines · Regional
CLTDAYDCADFWPHL
5 bases →PT
Piedmont Airlines · Regional
CLTPHLMDT
3 bases →QX
Horizon Air · Regional · bases unverified
SEAPAEGEGPDXBOIANCLAS
7 bases →G7
GoJet Airlines · Regional · bases unverified
ORDSTLEWRIADIAH
5 bases →ZW
Air Wisconsin · Regional · ORD and DAY closed Apr 2025
MKE
1 base →Base lists change often. Each airline page lists its sources. Verify with your airline before you bid or sign a lease.