| American Airlines (AA) | Continental Airlines (CO) | Delta Air Lines (DL) |
| Northwest Airlines (NW) | Southwest Airlines (WN) | US Airways (US) |
| United Airlines (UA) |
| Atlanta Hartsfield-Jackson Intl Apt (ATL) | Baltimore Washington International Apt (BWI) | Charlotte (CLT) |
| Chicago Midway Apt (MDW) | Chicago O'Hare International Apt (ORD) | Cincinnati Northern Kentucky Intl Apt (CVG) |
| Dallas/Fort Worth Intl Apt (DFW) | Dallas/Fort Worth Love Field (DAL) | Denver Intl Apt (DEN) |
| Detroit Wayne County (DTW) | Houston George Bush Intercontinental Ap (IAH) | Houston Hobby Apt (HOU) |
| Las Vegas McCarran International Apt (LAS) | Memphis International Apt (MEM) | Newark Liberty International Apt (EWR) |
| St Louis Lambert Intl Apt (STL) |