| IATA | Nombre | Destinos |
|---|
| AA | American (American Airlines) | 432 |
| UA | United (United Airlines) | 430 |
| DL | Delta (Delta Air Lines) | 351 |
| US | U S Air (US Airways) | 337 |
| AS | Inc. (Alaska Airlines) | 137 |
| G4 | Allegiant (Allegiant Air) | 95 |
| WN | Southwest (Southwest Airlines) | 95 |
| FL | Citrus (AirTran Airways) | 93 |
| 7H | Erah (Era Alaska) | 92 |
| B6 | Jetblue (JetBlue Airways) | 86 |
| F9 | Frontier Flight (Frontier Airlines) | 84 |
| NK | Spirit Wings (Spirit Airlines) | 54 |
| 9K | Cair (Cape Air) | 39 |
| BK | District (Potomac Air) | 38 |
| HA | Hawaiian (Hawaiian Airlines) | 31 |
| ZK | Lakes Air (Great Lakes Airlines) | 29 |
| 8E | Bering Air | 29 |
| W3 | World Scale Airlines | 29 |
| 9E | Flagship (Pinnacle Airlines) | 25 |
| 3M | Silver Wings (Silver Airways (3M)) | 25 |
| K5 | Sasquatch (SeaPort Airlines) | 21 |
| VX | Redwood (Virgin America) | 21 |
| SY | Sun Country (Sun Country Airlines) | 18 |
| BB | Seaborne (Seaborne Airlines) | 18 |
| KS | Peninsula (Peninsula Airways) | 14 |
| S5 | Mercury (Shuttle America) | 13 |
| M5 | Kenmore (Kenmore Air) | 12 |
| QH | Air Florida | 12 |
| TJ | T.j. Air (T.J. Air) | 9 |
| J5 | Alaska Seaplane Service | 9 |