Flight
UAL1939 18 Aug 2026
UAL1939, operated by United Airlines, on 18 Aug 2026. Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 00:00Z |
| Last seen | 12:40Z |
| Duration | 12h 39m |
| Aircraft | N17431 |
| Max altitude | 35,000 ft |
Punctuality, last 30 days
| Flights | 9 |
| On time | 1 (11%) |
| Average delay | +55 min |
| Worst delay | +109 min |
In the last 30 days UAL1939 departed on time (within 15 minutes) on 1 of 9 flights (11%), with an average departure delay of +55 min and a worst delay of +109 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.