| American Airlines (AA) | Continental Airlines (CO) | Southwest Airlines (WN) |
| Sun Country Airlines (SY) |
| Albuquerque (ABQ) | Austin Bergstrom International Apt (AUS) | Bullhead City (IFP) |
| Dallas/Fort Worth Intl Apt (DFW) | Dallas/Fort Worth Love Field (DAL) | El Paso International Apt (ELP) |
| Houston George Bush Intercontinental Ap (IAH) | Las Vegas McCarran International Apt (LAS) |