Flight
UAL3939 12 Aug 2026
UAL3939, operated by United Airlines, on 12 Aug 2026. Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | ? → KIAH GEORGE BUSH INTCNTL HOUSTON |
| Status | Completed (receiver network) |
| First seen airborne | 00:00Z |
| Last seen | 12:10 CDT |
| Duration | 17h 10m |
| Aircraft | N13750 |
| Max altitude | 41,000 ft |
Punctuality, last 30 days
| Flights | 1 |
| On time | 0 (0%) |
| Average delay | +30 min |
| Worst delay | +30 min |
In the last 30 days UAL3939 departed on time (within 15 minutes) on 0 of 1 flight (0%), with an average departure delay of +30 min and a worst delay of +30 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.