| Allegiant Air Llc (G4) | Frontier Airlines Inc. (F9) | United Airlines (UA) |
| Delta Air Lines (DL) | Northwest Airlines (NW) |
| Chicago O'Hare International Apt (ORD) | Las Vegas McCarran International Apt (LAS) | Salt Lake City (SLC) |
| Denver Intl Apt (DEN) | Minneapolis International Apt (MSP) |