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
12:11 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
270° / 9 kt
Visibility
10 SM
Ceiling
FEW 10,000 ft, SCT 15,000 ft, BKN 22,000 ft
Temp / Dew
33°C / 4°C
Altimeter
30.16 inHg

Obs: 2026-08-28T17:53:00.000Z

Raw METAR / TAF 
METAR KDEN 281753Z 27009KT 10SM FEW100 SCT150 BKN220 33/04 A3016 RMK AO2 SLP121 T03330044 10339 20194 58009

TAF KDEN 281722Z 2818/2924 26006KT P6SM FEW100 SCT150 FM282100 33008KT P6SM FEW100 SCT120 TEMPO 2821/2824 VRB15G35KT -SHRA BKN080 FM290000 01009KT P6SM FEW100 BKN120 PROB30 2900/2902 VRB15G35KT -SHRA BKN080 FM290200 16006KT P6SM SCT120 BKN220 FM290500 22009KT P6SM FEW120 SCT220 FM291600 25007KT P6SM FEW110 SCT200 FM291900 25010KT P6SM VCSH SCT100 BKN150 PROB30 2920/2924 VRB20G35KT -TSRA BKN080CB

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

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

cloud Weather

Wind
300° / 13 kt
Visibility
10 SM
Ceiling
FEW 400 ft, SCT 11,000 ft, OVC 20,000 ft
Temp / Dew
17°C / 14°C
Altimeter
30.02 inHg

Obs: 2026-08-28T17:56:00.000Z

Raw METAR / TAF 
METAR KSFO 281756Z 30013KT 10SM FEW004 SCT110 OVC200 17/14 A3002 RMK AO2 SLP164 60000 T01670139 10167 20150 51007

TAF KSFO 281739Z 2818/2924 30012KT P6SM VCSH BKN120 FM282000 29016KT P6SM VCSH BKN100 FM290700 29010KT P6SM FEW012 FM291000 29008KT P6SM SCT012 FM291800 29015KT P6SM FEW015

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.