Flight
UAL1871 22 Dec 2025
UAL1871, operated by United Airlines, on 22 Dec 2025: San Diego International Lindbergh Fld (KSAN) to San Francisco International (KSFO), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KSAN SAN DIEGO INTERNATIONAL LINDBERGH FLD → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 19:28 PST 21 Dec |
| Last seen | 21:24 PST 21 Dec |
| Duration | 1h 56m |
| Aircraft | N53441 |
| Max altitude | 34,000 ft |
| Distance tracked | 388 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 00:40 PST |
| Last seen | 04:14 MST |
| Duration | 2h 34m |
| Aircraft | N27251 |
| Max altitude | 33,000 ft |
| Distance tracked | 838 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 1 (14%) |
| Average delay | +90 min |
| Worst delay | +191 min |
In the last 30 days UAL1871 departed on time (within 15 minutes) on 1 of 7 flights (14%), with an average departure delay of +90 min and a worst delay of +191 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.