Flight
UAL1439 24 Oct 2025
UAL1439, operated by United Airlines, on 24 Oct 2025, 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | ? → KDEN DENVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 00:30Z |
| Last seen | 12:30 MDT |
| Duration | 17h 59m |
| Aircraft | N66897 |
| Max altitude | 35,025 ft |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → KDFW DALLAS FORT WORTH INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 15:53 MDT |
| Last seen | 18:58 CDT |
| Duration | 2h 04m |
| Aircraft | A1277B |
| Max altitude | 38,000 ft |
| Distance tracked | 556 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 4 (50%) |
| Average delay | +33 min |
| Worst delay | +172 min |
In the last 30 days UAL1439 departed on time (within 15 minutes) on 4 of 8 flights (50%), with an average departure delay of +33 min and a worst delay of +172 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.