| Delta Air Lines (DL) | US Airways (US) | United Airlines (UA) |
| Frontier Airlines Inc. (F9) |
| Atlanta Hartsfield-Jackson Intl Apt (ATL) | Denver Intl Apt (DEN) | Phoenix Sky Harbor Intl Apt. (PHX) |
| Chicago O'Hare International Apt (ORD) | Los Angeles International Apt (LAX) | Salt Lake City (SLC) |