US air carrier certificate holders.

Part 121 · 28

• ASA / AS Alaska Airlines Major passenger ~330

  SeaTac, WA · hub KSEA

• AAY / G4 Allegiant Air ULCC / leisure ~125

  Las Vegas, NV · hub KLAS

• AAL / AA American Airlines Major passenger ~970

  Fort Worth, TX · hub KDFW

• AJT / M6 Amerijet International Cargo ~20

  Miami, FL · hub KMIA

• GTI / 5Y Atlas Air Cargo + ACMI ~115

  White Plains, NY · hub KJFK

• UCA / C5 CommutAir Regional (UA) ~70

  North Olmsted, OH · hub KEWR

• DAL / DL Delta Air Lines Major passenger ~880

  Atlanta, GA · hub KATL

• EDV / 9E Endeavor Air Regional (DL) ~125

  Minneapolis, MN · hub KMSP

• ENY / MQ Envoy Air Regional (AA) ~155

  Irving, TX · hub KDFW

• FDX / FX FedEx Express Cargo ~700

  Memphis, TN · hub KMEM

• FFT / F9 Frontier Airlines Ultra LCC ~130

  Denver, CO · hub KDEN

• GJS / G7 GoJet Airlines Regional (DL/UA) ~40

  Bridgeton, MO · hub KSTL

• HAL / HA Hawaiian Airlines Major passenger ~65

  Honolulu, HI · hub PHNL

• QXE / QX Horizon Air Regional (AS) ~50

  SeaTac, WA · hub KSEA

• JBU / B6 JetBlue Airways Major passenger ~290

  Long Island City, NY · hub KJFK

• CKS / K4 Kalitta Air Cargo ~30

  Ypsilanti, MI · hub KYIP

• ASH / YV Mesa Airlines Regional ~95

  Phoenix, AZ · hub KPHX

• PDT / PT Piedmont Airlines Regional (AA) ~55

  Salisbury, MD · hub KCLT

• PAC / PO Polar Air Cargo Cargo (Atlas Air) ~17

  Purchase, NY · hub KJFK

• JIA / OH PSA Airlines Regional (AA) ~140

  Dayton, OH · hub KDAY

• RPA / YX Republic Airways Regional ~210

  Indianapolis, IN · hub KIND

• SKW / OO SkyWest Airlines Regional ~470

  St. George, UT · hub KSLC

• SWA / WN Southwest Airlines Major passenger ~820

  Dallas, TX · hub KDAL

• NKS / NK Spirit Airlines Ultra LCC ~210

  Dania Beach, FL · hub KFLL

• SCX / SY Sun Country Airlines LCC + charter + cargo ~55

  Eagan, MN · hub KMSP

• UAL / UA United Airlines Major passenger ~960

  Chicago, IL · hub KORD

• UPS / 5X UPS Airlines Cargo ~290

  Louisville, KY · hub KSDF

• WGN / KD Western Global Airlines Cargo ~12

  Estero, FL · hub KFLL

Part 135 — major operators · 13

• AMG Air Methods Helicopter EMS ~470

  Greenwood Village, CO · hub KAPA

• BTQ / 4B Boutique Air Commuter (EAS) ~30

  San Francisco, CA · hub KSFO

• KAP / 9K Cape Air Commuter ~75

  Hyannis, MA · hub KHYA

• LXJ / XX Flexjet Fractional / Part 91K + 135 ~280

  Cleveland, OH · hub KCLE

• LFL LifeFlight Network Helicopter + fixed EMS ~30

  Aurora, OR · hub KUAO

• MDT Med-Trans / Global Medical Helicopter EMS ~150

  Lewisville, TX

• MUL / KX Mokulele Airlines Commuter (Hawaii) ~10

  Honolulu, HI · hub PHKO

• EJA / 1I NetJets Aviation Fractional / Part 91K + 135 ~750

  Columbus, OH · hub KCMH

• PHM PHI Air Medical Helicopter EMS ~210

  Lafayette, LA · hub KLFT

• RCH REACH Air Medical Helicopter EMS ~70

  Santa Rosa, CA · hub KSTS

• VJT / XO VistaJet US Charter (intl heavy) ~70

  Miami, FL · hub KOPF

• WUP / GE Wheels Up Charter / membership ~190

  New York, NY · hub KHPN

• JAS / PE XO / Jet Aviation Charter ~80

  Hartford, CT · hub KHPN