Flight
UAL948 18 Sep 2026
UAL948, operated by United Airlines, on 18 Sep 2026: San Francisco International (KSFO) to Heathrow (EGLL). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → EGLL HEATHROW |
| Status | Completed (receiver network) |
| First seen airborne | 17:00 PDT 17 Sep |
| Last seen | 10:40 BST |
| Duration | 9h 39m |
| Aircraft | N77012 |
| Max altitude | 39,000 ft |
| Distance tracked | 4,651 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 3 (38%) |
| Average delay | -489 min |
| Worst delay | +57 min |
In the last 30 days UAL948 departed on time (within 15 minutes) on 3 of 8 flights (38%), with an average departure delay of -489 min and a worst delay of +57 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.