| 1. Atlantic Southeast Airlines
|
| Delta Connection carrier with major hubs in Atlanta, Cincinnati, and Salt Lake City. |
| http://www.flyasa.com |
| 2. Big Sky Airlines
|
| Serving destinations in Colorado, Idaho, Montana, North Dakota, Washington, and Wyoming. |
| http://www.bigskyair.com |
| 3. Comair
|
| Delta Connection carrier with hubs in Cincinnati, New York-JFK, Salt Lake City, Orlando, and Boston. |
| http://www.comair.com |
| 4. Continental Airlines
|
| Member of the SkyTeam Alliance with major hubs in Newark, Cleveland, Houston-Intercontinental, Denver, and New Orleans. |
| http://www.continental.com |
| 5. Frontier Airlines
|
| Provides service from its Denver hub. |
| http://www.frontierairlines.com |
| 6. JetBlue Airways
|
| Major hubs in New York-JFK, Boston, Washing DC-Dulles, Fort Lauderdale, Long Beach, and Oakland. |
| http://www.jetblue.com |
| 7. Mesa Air Group, Inc.
|
| Provides regularly-scheduled commuter and cargo airline services. |
| http://www.mesa-air.com |
| 8. Mesaba Holdings, Inc.
|
| Operates as Northwest Airlink from Minneapolis/St. Paul, Detroit, and Memphis. |
| http://www.mesaba.com |
| 9. Midwest Airlines
|
| Provides service from its major hub in Milwaukee. |
| http://www.midwestairlines.com |
| 10. Northwest Airlines
|
| Member of the SkyTeam Alliance with major hubs in Minneapolis/St. Paul, Detroit, Memphis, Milwaukee, Boston, and Narita-Tokyo. |
| http://www.nwa.com |
|
Australia