| UAL | United Airlines |
| SKYW | SkyWest |
| LUV | Southwest Airlines |
| ATSG | Air Transport Services Group |
| MESA | Mesa Air Group |
| VLRS | Controladora Vuela Compañía de Aviación |
| DAL | Delta Air Lines |
| ULCC | Frontier Group |
| JBLU | JetBlue Airways |
| AZUL | Azul |
| SNCY | Sun Country Airlines |