Apparatus

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flight_takeoff Flight

FFT3439

Operated by Frontier Airlines

Live map

Live map filtered to FFT3439. Shown when the flight is currently airborne.

Route airports View route page →

Departure

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
15:11 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
160° / 12G19 kt
Visibility
10 SM
Ceiling
FEW 10,000 ft
Temp / Dew
27°C / -3°C
Altimeter
29.81 inHg

Obs: 2026-10-12T20:53:00.000Z

Raw METAR / TAF 
METAR KDEN 122053Z 16012G19KT 10SM FEW100 27/M03 A2981 RMK AO2 SLP011 T02671028 58022

TAF KDEN 122055Z 1221/1324 20014G22KT P6SM FEW090 FEW130 TEMPO 1221/1222 14012G22KT FM130100 22012G20KT P6SM FEW120 FM130500 30010KT P6SM FEW020 SCT040 FM131000 34008KT P6SM BKN015 BKN030 FM131400 05007KT P6SM BKN010 BKN030 FM131700 07007KT P6SM SCT020 BKN040 FM132000 07010KT P6SM SCT090 SCT120

warning FAA Advisories

  • Ground Delay: runway construction (avg 56 minutes)

flight Live Traffic

flight_takeoff 429 Departures
flight_land 440 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
14:11 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
300° / 10 kt
Visibility
10 SM
Ceiling
FEW 2,400 ft
Temp / Dew
20°C / 8°C
Altimeter
29.90 inHg

Obs: 2026-10-12T20:56:00.000Z

Raw METAR / TAF 
METAR KSFO 122056Z 30010KT 10SM FEW024 20/08 A2990 RMK AO2 SLP126 T02000083 58005 $

TAF KSFO 122057Z 1221/1324 28012KT P6SM SKC FM130300 28006KT P6SM SKC FM131400 08004KT P6SM SKC FM132000 32011KT P6SM SKC

flight Live Traffic

flight_takeoff 275 Departures
flight_land 206 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A42E48 DEN → SFO Jul 26, 04:35 UTCJul 26, 06:45 UTC2h 11m - -
2026-07-25 A42E48 DEN → SFO Jul 25, 05:40 UTCJul 25, 07:50 UTC2h 10m - -
2026-07-24 A37A02 DEN → SFO Jul 24, 05:30 UTCJul 24, 07:40 UTC2h 10m - -
2026-07-24 A37A02 DEN → SFO Jul 24, 05:23 UTCJul 24, 07:37 UTC2h 14m +54m +26m
2026-07-23 A21F57 DEN → SFO Jul 23, 05:55 UTCJul 23, 08:00 UTC2h 5m - -
2026-07-23 A21F57 DEN → SFO Jul 23, 05:48 UTCJul 23, 07:58 UTC2h 10m +79m +7m
2026-07-22 A3A8EF - Jul 22, 04:45 UTCJul 22, 05:25 UTC40m - -
2026-07-21 A53287 DEN → SFO Jul 21, 05:30 UTCJul 21, 07:30 UTC2h 0m - -
2026-07-20 A226C5 DEN → SFO Jul 20, 05:00 UTCJul 20, 07:05 UTC2h 5m - -
2026-07-20 A226C5 DEN → SFO Jul 20, 04:58 UTCJul 20, 07:00 UTC2h 2m +29m +13m
2026-07-19 A3615F DEN → SFO Jul 19, 04:45 UTCJul 19, 06:55 UTC2h 10m - -
2026-07-19 A3615F DEN → SFO Jul 19, 04:42 UTCJul 19, 06:50 UTC2h 8m +13m +13m
2026-07-18 A3615F DEN → SFO Jul 18, 04:45 UTCJul 18, 06:50 UTC2h 5m - -
2026-07-17 A2090D DEN → SFO Jul 17, 05:20 UTCJul 17, 07:30 UTC2h 10m - -
2026-07-16 A4DFD2 DEN → SFO Jul 16, 05:55 UTCJul 16, 08:00 UTC2h 5m - -
2026-07-15 A3615F DEN → SFO Jul 15, 04:40 UTCJul 15, 06:45 UTC2h 5m - -
2026-07-14 A41BB5 DEN → SFO Jul 14, 04:40 UTCJul 14, 06:50 UTC2h 10m - -
2026-07-13 A37A02 DEN → SFO Jul 13, 04:55 UTCJul 13, 07:01 UTC2h 5m - -
2026-07-12 A54163 DEN → SFO Jul 12, 04:45 UTCJul 12, 06:55 UTC2h 10m - -
2026-07-12 A54163 DEN → SFO Jul 12, 04:42 UTCJul 12, 06:50 UTC2h 8m +13m +12m
2026-07-11 A40312 DEN → SFO Jul 11, 05:25 UTCJul 11, 07:35 UTC2h 10m - -
2026-07-10 A539F5 DEN → SFO Jul 10, 04:45 UTCJul 10, 07:05 UTC2h 20m - -
2026-07-09 A41447 DEN → SFO Jul 9, 07:45 UTCJul 9, 10:00 UTC2h 15m - -
2026-07-08 A41447 - Jul 8, 05:25 UTCJul 8, 07:40 UTC2h 15m - -
2026-07-07 A43458 DEN → SFO Jul 7, 04:40 UTCJul 7, 07:00 UTC2h 20m - -
2026-07-06 A42E48 DEN → SFO Jul 6, 06:30 UTCJul 6, 08:40 UTC2h 10m - -
2026-07-05 A3904C DEN → SFO Jul 5, 05:35 UTCJul 5, 07:40 UTC2h 5m - -
2026-07-04 A84200 DEN → SFO Jul 4, 04:45 UTCJul 4, 07:00 UTC2h 15m - -
2026-07-03 A42E48 DEN → SFO Jul 3, 05:10 UTCJul 3, 07:25 UTC2h 15m - -
2026-07-02 A3E911 DEN → SFO Jul 2, 05:00 UTCJul 2, 07:15 UTC2h 15m - -

Performance history

Flights tracked
107 showing last 30
Avg arrival delay
+14m
On-time arrival
80% 80% on time
Aircraft used
18

Monthly activity 4 months

Month Flights tracked
July 2026 32
June 2026 40
May 2026 24
April 2026 11

FFT3439 frequently asked

Where does flight FFT3439 fly?
FFT3439 (Frontier Airlines) flies from DEN to SFO. View the full route page.
How long is flight FFT3439?
Based on observed flights, FFT3439 takes on average 2h 7m from takeoff to landing.
How often does FFT3439 fly?
FFT3439 has been observed flying daily in our tracking data. We've recorded 107 flights under this callsign.
Is flight FFT3439 usually on time?
Across recent flights, FFT3439 arrives with an average 14-minute delay. 80% of flights arrive within 15 minutes of schedule.
What aircraft operates flight FFT3439?
FFT3439 has been operated by 18 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track FFT3439 live?
Yes. When FFT3439 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.