Airlines of United States
United States has 133 active airlines.
| Name | IATA | ICAO | Type | Alliance | Founded |
|---|---|---|---|---|---|
| Seaborne Airlines | BB | SBS | Passenger | None | 1992 |
| SeaPort Airlines | K5 | SQH | Passenger | None | 2008 |
| SENIC AIRLINES | YR | — | Passenger | None | 1967 |
| Shuttle America | S5 | TCF | Passenger | SkyTeam | 1998 |
| Silver Airways (3M) | 3M | — | Passenger | None | 1988 |
| Skagway Air Service | N5 | SGY | Passenger | None | — |
| Skywalk Airlines | AL | SYX | Passenger | None | 1994 |
| SkyWest | OO | SKW | Regional | None | 1972 |
| Southern Airways | — | SOU | Passenger | None | 1943 |
| Southern Airways Express | — | LTD | Regional | None | 2013 |
| Southjet cargo | 78 | XAN | Passenger | None | — |
| Southwest Airlines | WN | SWA | Passenger | None | 1967 |
| Spike Airlines | S0 | SAL | Passenger | None | — |
| Spirit Airlines | NK | NKS | Passenger | None | 1983 |
| Sun Country Airlines | SY | SCX | Passenger | None | 2002 |
| Texas Wings | TQ | TXW | Passenger | None | — |
| T.J. Air | TJ | TJA | Passenger | None | — |
| Trans Pas Air | T6 | TP6 | Passenger | None | — |
| Trans States Airlines | AX | LOF | Passenger | Star Alliance | 1985 |
| United Airlines | UA | UAL | Passenger | None | 1994 |
| USA3000 Airlines | U5 | GWY | Passenger | None | 2001 |
| US Airways | US | USA | Passenger | None | 1998 |
| US Helicopter | — | USH | Passenger | None | — |
| US Helicopter Corporation | UH | — | Passenger | None | 2004 |
| ViaAir | — | SRY | Passenger | None | 1998 |
| Virgin America | VX | VRD | Passenger | None | 2004 |
| Vision Airlines (V2) | V2 | RBY | Passenger | None | 1994 |
| Western Airlines | WA | WAL | Passenger | None | 1925 |
| World Airways | WO | WOA | Passenger | None | 1948 |
| World Scale Airlines | W3 | WSS | Passenger | None | — |
| XAIR USA | XA | XAU | Passenger | None | 1929 |
| XOJET | — | XOJ | Passenger | None | 2006 |
| Yellowtail | YE | YEL | Passenger | None | — |