Airlines in United States
115 active airlines with route maps; the first 100 alphabetically below.
| Airline | IATA | ICAO | Callsign | Country |
|---|---|---|---|---|
| 40-Mile Air | Q5 | MLA | MILE-AIR | United States |
| Access Air | ZA | CYD | CYCLONE | United States |
| Air Cargo Carriers | 2Q | SNC | NIGHT CARGO | United States |
| Air Choice One | 3E | – | – | United States |
| Air Florida | QH | FLZ | AIR FLORIDA | United States |
| Air Sunshine | – | RSI | AIR SUNSHINE | United States |
| Air Wisconsin | ZW | AWI | AIR WISCONSIN | United States |
| Airlift International | – | AIR | AIRLIFT | United States |
| AirTran Airways | FL | TRS | CITRUS | United States |
| Alaska Central Express | KO | AER | ACE AIR | United States |
| Alaska Seaplane Service | J5 | – | – | United States |
| Allegheny Commuter Airlines | – | ALO | ALLEGHENY | United States |
| Allegiant Air | G4 | AAY | ALLEGIANT | United States |
| Aloha Airlines | AQ | AAH | ALOHA | United States |
| America West Airlines | HP | AWE | CACTUS | United States |
| American Airlines | AA | AAL | AMERICAN | United States |
| American Eagle Airlines | MQ | EGF | EAGLE FLIGHT | United States |
| Arrow Air | JW | APW | BIG A | United States |
| ATA Airlines | TZ | AMT | AMTRAN | United States |
| Atifly | A1 | A1F | atifly | United States |
| Atlantic Southeast Airlines | EV | ASQ | ACEY | United States |
| Atlas Air | 5Y | GTI | GIANT | United States |
| Bemidji Airlines | CH | BMJ | BEMIDJI | United States |
| Bering Air | 8E | BRG | BERING AIR | United States |
| Black Stallion Airways | BZ | BSA | Stallion | United States |
| Cape Air | 9K | KAP | CAIR | United States |
| Carnival Air Lines | KW | – | Carnival Air | United States |
| CBM America | – | XBM | AIRMAX | United States |
| Chautauqua Airlines | RP | CHQ | CHAUTAUQUA | United States |
| Coastal Air | DQ | – | U.S. Virgin Islands | United States |
| Colgan Air | 9L | CJC | COLGAN | United States |
| Comair | OH | COM | COMAIR | United States |
| CommutAir | C5 | UCA | COMMUTAIR | United States |
| Compass Airlines | CP | CPZ | Compass Rose | United States |
| Continental Airlines | CO | COA | CONTINENTAL | United States |
| Continental Express | CO | – | JETLINK | United States |
| Continental Micronesia | CS | CMI | AIR MIKE | United States |
| Crown Airways | – | CRO | CROWN AIRWAYS | United States |
| Delta Air Lines | DL | DAL | DELTA | United States |
| Epic Holiday | FA | 4AA | Epic | United States |
| Era Alaska | 7H | ERR | ERAH | United States |
| Evergreen International Airlines | EZ | EIA | EVERGREEN | United States |
| Express One International | EO | LHN | LONGHORN | United States |
| ExpressJet | XE | BTA | JET LINK | United States |
| Florida West International Airways | RF | FWL | FLO WEST | United States |
| Freedom Air | FP | FRE | FREEDOM | United States |
| Freedom Airlines | – | FRL | FREEDOM AIR | United States |
| Frontier Airlines | F9 | FFT | FRONTIER FLIGHT | United States |
| Frontier Flying Service | 2F | FTA | FRONTIER-AIR | United States |
| GoJet Airlines | G7 | GJS | GATEWAY | United States |
| Great Lakes Airlines | ZK | GLA | LAKES AIR | United States |
| Gryphon Airlines | 6P | – | – | United States |
| Gulfstream International Airlines | – | GFT | GULF FLIGHT | United States |
| Hageland Aviation Services | H6 | HAG | HAGELAND | United States |
| Hankook Air US | H1 | HA1 | – | United States |
| Hawaiian Airlines | HA | HAL | HAWAIIAN | United States |
| Horizon Air | QX | QXE | HORIZON AIR | United States |
| Indigo | I9 | IBU | INDIGO BLUE | United States |
| Island Air (WP) | WP | MKU | – | United States |
| Island Airlines | IS | – | – | United States |
| Jet Airways | QJ | – | – | United States |
| JetBlue Airways | B6 | JBU | JETBLUE | United States |
| Kenmore Air | M5 | KEN | KENMORE | United States |
| Locair | ZQ | LOC | LOCAIR | United States |
| Mesa Airlines | YV | ASH | AIR SHUTTLE | United States |
| Mesaba Airlines | XJ | MES | MESABA | United States |
| Midway Airlines | JI | MDW | MIDWAY | United States |
| Midwest Airlines | YX | MEP | – | United States |
| NetJets | 1I | EJA | EXECJET | United States |
| New England Airlines | EJ | NEA | NEW ENGLAND | United States |
| Northwest Airlines | NW | NWA | NORTHWEST | United States |
| Omni Air International | OY | OAE | OMNI-EXPRESS | United States |
| Orbit Airlines | – | OBT | Orbit | United States |
| Pacific Island Aviation | – | PSA | PACIFIC ISLE | United States |
| Pacific Wings | LW | NMI | TSUNAMI | United States |
| PanAm World Airways | WQ | PQW | – | United States |
| Papillon Grand Canyon Helicopters | HI | – | – | United States |
| Peninsula Airways | KS | PEN | PENINSULA | United States |
| Piedmont Airlines (1948-1989) | PI | PDT | PIEDMONT | United States |
| Pinnacle Airlines | 9E | FLG | FLAGSHIP | United States |
| Potomac Air | BK | PDC | DISTRICT | United States |
| Republic Airlines | RW | RPA | BRICKYARD | United States |
| Ryan Air Services | – | RYA | RYAN AIR | United States |
| Ryan International Airlines | RD | RYN | RYAN INTERNATIONAL | United States |
| Salmon Air | S6 | – | – | United States |
| Scenic Airlines | – | SCE | SCENIC | United States |
| Seaborne Airlines | BB | SBS | SEABORNE | United States |
| SeaPort Airlines | K5 | SQH | SASQUATCH | United States |
| SENIC AIRLINES | YR | – | – | United States |
| Shuttle America | S5 | TCF | MERCURY | United States |
| Skagway Air Service | N5 | SGY | SKAGWAY AIR | United States |
| Skywalk Airlines | AL | SYX | SKYWAY-EX | United States |
| SkyWest | OO | SKW | SKYWEST | United States |
| South Pacific Island Airways | – | SPI | SOUTH PACIFIC | United States |
| Southeast Air | – | SEA | SOUTHEAST AIR | United States |
| Southern Airways | – | SOU | SOUTHERN EXPRESS | United States |
| Southwest Airlines | WN | SWA | SOUTHWEST | United States |
| Spirit Airlines | NK | NKS | SPIRIT WINGS | United States |
| Sun Country Airlines | SY | SCX | SUN COUNTRY | United States |
| Texas Wings | TQ | TXW | TXW | United States |