Flight
UAL939 25 Sep 2026
UAL939, operated by United Airlines, on 25 Sep 2026: Heathrow (EGLL) to San Francisco International (KSFO). Scheduled and actual times are local to each airport (hover for UTC).
Flight
FAA SWIM schedule| Route | EGLL HEATHROW → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed, departure delayed +32 min |
| Scheduled departure | 16:15 BST |
| Actual departure | 16:47 BST delayed +32 min |
| Actual arrival | 19:21 PDT |
| Duration | 10h 34m |
| Aircraft | N61109 B789 |
Punctuality, last 30 days
| Flights | 7 |
| On time | 0 (0%) |
| Average delay | +29 min |
| Worst delay | +41 min |
In the last 30 days UAL939 departed on time (within 15 minutes) on 0 of 7 flights (0%), with an average departure delay of +29 min and a worst delay of +41 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.