Flight
UAL1439 7 May 2026
UAL1439, operated by United Airlines, on 7 May 2026, 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 00:53Z |
| Last seen | 03:44Z |
| Duration | 2h 50m |
| Aircraft | N39418 |
| Max altitude | 35,000 ft |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 12:02Z |
| Last seen | 23:50Z |
| Duration | 11h 47m |
| Aircraft | N39418 |
| Max altitude | 24,000 ft |
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.