Flight
UAL948 10 Jul 2026
UAL948, operated by United Airlines, on 10 Jul 2026: San Francisco International (KSFO) to Heathrow (EGLL), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → EGLL HEATHROW |
| Status | Completed (receiver network) |
| First seen airborne | 17:06 PDT 9 Jul |
| Last seen | 11:20 BST |
| Duration | 10h 13m |
| Aircraft | N29978 |
| Max altitude | 39,000 ft |
| Distance tracked | 4,651 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → EGLL HEATHROW |
| Status | Completed (receiver network) |
| First seen airborne | 05:13 PDT |
| Last seen | 13:38 BST |
| Duration | 0h 25m |
| Aircraft | N29978 |
| 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.