F93439 · FFT3439

FFT3439 over the last 30 days

As of 2026-10-27

FFT3439 is operated by Frontier Airlines on the route Denver International Airport (DEN/KDEN) → San Francisco International Airport (SFO/KSFO). It usually takes off around 04:50 UTC (22:50 local time, DEN). It usually lands around 06:58 UTC (23:58 local time, SFO). Most frequent aircraft type: AIRBUS A-320neo (A20N).

Days with an observed flight (last 30 days)

30/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri, Sat, Sun

Typical take-off

04:50 UTC · 22:50 local time (DEN)

Typical landing

06:58 UTC · 23:58 local time (SFO)

Typical time airborne

129 min

Median departure deviation from the usual time on this route

+7 min

Departures within 15 minutes of the usual time

59 %

Departures measured

44

Our measurement against the usual departure time of the route, from our own observations over the last 28 days; the figures cover all flights of this airline on the route.

Aircraft types on this flight (last 30 days)

• AIRBUS A-320neo (A20N) — Number of flights: 11
• AIRBUS A-321neo (A21N) — Number of flights: 10
• AIRBUS A-321 (A321) — Number of flights: 9

Aircraft in the last 7 days

• N624FR · AIRBUS A-321neo 2026-10-27
• N710FR · AIRBUS A-321 2026-10-26
• N723FR · AIRBUS A-321 2026-10-25
• N330FR · AIRBUS A-320neo 2026-10-24
• N364FR · AIRBUS A-320neo 2026-10-23
• N615FR · AIRBUS A-321neo 2026-10-22

Related flights on this route

• All flights KDEN – KSFO