The directory below lists the carriers in this reference, grouped as they were published on this site.
Major carriers
| Airline | IATA | ICAO |
|---|---|---|
| American Airlines | AA |
AAL |
| Delta Air Lines | DL |
DAL |
| United Airlines | UA |
UAL |
| Southwest Airlines | WN |
SWA |
| Alaska Airlines | AS |
ASA |
| JetBlue Airways | B6 |
JBU |
| Hawaiian Airlines | HA |
HAL |
Low-cost carriers
| Airline | IATA | ICAO |
|---|---|---|
| Spirit Airlines | NK |
NKS |
| Frontier Airlines | F9 |
FFT |
| Allegiant Air | G4 |
AAY |
| Breeze Airways | MX |
MXY |
| Avelo Airlines | XP |
VXP |
Hybrid carriers
| Airline | IATA | ICAO |
|---|---|---|
| Sun Country Airlines | SY |
SCX |
Regional carriers
| Airline | IATA | ICAO |
|---|---|---|
| SkyWest Airlines | OO |
SKW |
| Republic Airways | YX |
RPA |
| Envoy Air | MQ |
ENY |
| PSA Airlines | OH |
JIA |
| Piedmont Airlines | PT |
PDT |
| Endeavor Air | 9E |
EDV |
| GoJet Airlines | G7 |
GJS |
| CommutAir | C5 |
UCA |
| Mesa Airlines | YV |
ASH |
| Horizon Air | QX |
QXE |
| Cape Air | 9K |
KAP |
| Silver Airways | 3M |
SIL |
| Contour Airlines | LF |
VTE |
| Boutique Air | 4B |
BTQ |
| Southern Airways Express | 9X |
FRL |
Cargo carriers
| Airline | IATA | ICAO |
|---|---|---|
| FedEx Express | FX |
FDX |
| UPS Airlines | 5X |
UPS |
| Atlas Air | 5Y |
GTI |
| Atlas Air Worldwide / Polar | PO |
PAC |
| Atlas / Southern Air | 9S |
SOO |
| Kalitta Air | K4 |
CKS |
| Atlas / DHL Air | ER |
DHX |