Flight
UAL1791 23 Sep 2026
UAL1791, operated by United Airlines, on 23 Sep 2026: 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 | 10:09 PDT |
| Last seen | 14:22 PDT |
| Duration | 4h 12m |
| Aircraft | N37551 |
| Max altitude | 34,000 ft |
| Distance tracked | 388 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KGUS GRISSOM ARB |
| Status | Completed (receiver network) |
| First seen airborne | 14:40 PDT |
| Last seen | 19:58 EDT |
| Duration | 2h 18m |
| Aircraft | N17455 |
| Max altitude | 35,000 ft |
| Distance tracked | 1,684 nm |
Punctuality, last 30 days
| Flights | 16 |
| On time | 3 (19%) |
| Average delay | +54 min |
| Worst delay | +123 min |
In the last 30 days UAL1791 departed on time (within 15 minutes) on 3 of 16 flights (19%), with an average departure delay of +54 min and a worst delay of +123 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.