Flight
UAL948 13 Aug 2026
UAL948, operated by United Airlines, on 13 Aug 2026: San Francisco International (KSFO) to Heathrow (EGLL). Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → EGLL HEATHROW |
| Status | Completed (receiver network) |
| First seen airborne | 17:02 PDT 12 Aug |
| Last seen | 13:31 BST |
| Duration | 12h 29m |
| Aircraft | N21102 |
| Max altitude | 39,025 ft |
| Distance tracked | 4,651 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 5 (71%) |
| Average delay | -974 min |
| Worst delay | +57 min |
In the last 30 days UAL948 departed on time (within 15 minutes) on 5 of 7 flights (71%), with an average departure delay of -974 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.