| ATSG | Air Transport Services Group |
| MESA | Mesa Air Group |
| VLRS | Controladora Vuela Compañía de Aviación |
| SKYW | SkyWest |
| HA | Hawaiian |
| ULCC | Frontier Group |
| SAVE | Spirit Airlines |
| GOL | Gol Linhas Aéreas Inteligentes |
| JBLU | JetBlue Airways |
| AZUL | Azul |
| ALK | Alaska Air Group |
| SNCY | Sun Country Airlines |