US Flag Carriers
A listing of U.S. Flag Air Carriers for International and Domestic Travel
Travelers must be compliant with the when airfare is charged to a federal grant. The following airlines are U.S. Flag Air Carriers, the two-letter code from each airline is part of every flight number for that airline.
| International Travel | |
|---|---|
| Alaska Airlines (AS) | |
| American Airlines (AA) | |
| Delta Airlines (DL) | |
| United Airlines (UA) | |
| Domestic Travel | |
|---|---|
| Alaska Airlines (AS) | |
| American Airlines (AA) | |
| Delta Airlines (DL) | |
| Frontier Airlines (F9) | |
| Hawaiian Airlines (HA) | |
| Jet Blue (B6) | |
| Southwest Airlines (WN) | |
| Spirit Airlines (NK) | |
| United Airlines (UA) | |