Flight
FFT3439 24 Sep 2026
FFT3439, operated by Frontier Airlines, on 24 Sep 2026: Denver International (KDEN) to San Francisco International (KSFO). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 21:41 MDT 23 Sep |
| Last seen | 05:06 PDT |
| Duration | 8h 24m |
| Aircraft | N639FR |
| Max altitude | 36,050 ft |
| Distance tracked | 838 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 3 (38%) |
| Average delay | +42 min |
| Worst delay | +183 min |
In the last 30 days FFT3439 departed on time (within 15 minutes) on 3 of 8 flights (38%), with an average departure delay of +42 min and a worst delay of +183 min.
Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.