Frontier Airlines (F9) is a United States airline with the radio callsign “FRONTIER FLIGHT”. It operates 4,010 routes from 135 airports to 134 destinations in 17 countries, anchored at Chicago (ORD). Its longest route is Denver (DEN) to San Juan (SJU), roughly 4,395 km. Around 3,617 of its routes are domestic and 393 international. Every F9 flight number, origin and destination is listed below; live status, scheduled and actual times, gate and terminal come from the FlightNerve API.
Origin and destination for routes 4,001–4,010 of 4,010. Durations and scheduled times are available via the API.
| Flight | From | To | Duration | Schedule | |
|---|---|---|---|---|---|
| F9988 | MKE · Milwaukee | MCO · Orlando | 2h 23m | ••:•• → ••:•• | |
| F9989 | DEN · Denver | ELP · El Paso | 1h 26m | ••:•• → ••:•• | |
| F999 | SJU · San Juan | SDQ · Santo Domingo | 0h 49m | ••:•• → ••:•• | |
| F9990 | DEN · Denver | SAT · San Antonio | 1h 52m | ••:•• → ••:•• | |
| F9991 | SAT · San Antonio | DEN · Denver | 1h 52m | ••:•• → ••:•• | |
| F9993 | SAT · San Antonio | DEN · Denver | 1h 52m | ••:•• → ••:•• | |
| F9994 | DEN · Denver | BNA · Nashville | 2h 16m | ••:•• → ••:•• | |
| F9995 | BNA · Nashville | DEN · Denver | 2h 16m | ••:•• → ••:•• | |
| F9996 | ABQ · Albuquerque | DEN · Denver | 1h 01m | ••:•• → ••:•• | |
| F9997 | BNA · Nashville | DEN · Denver | 2h 16m | ••:•• → ••:•• |
134 destinations served.
Top origin airports by number of routes.
Frontier Airlines connects 135 origin airports with 134 destinations on 4,010 scheduled routes. Its domestic network covers about 3,617 routes within United States, while 393 routes reach international destinations across 17 countries. The busiest base, Chicago (ORD), anchors most F9 departures. Use the map above to see the full route geography, or open any flight number for its exact origin, destination and live status.
Frontier Airlines (F9) serves 134 destinations in 17 countries across 4,010 routes tracked by FlightNerve.
Frontier Airlines’s busiest base is Chicago O'Hare International Airport (ORD) in Chicago.
Frontier Airlines’s longest scheduled route is Denver (DEN) to San Juan (SJU), about 4,395 km.
Yes. FlightNerve returns live status, position, schedule and aircraft for any F9 flight in a single API call.
Live status, position, schedule and aircraft for every F9 flight, one API call.
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