Flight
UAL3870 8 Jan 2026
UAL3870, operated by United Airlines, on 8 Jan 2026. Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 13:04 PST |
| Last seen | 21:56Z |
| Duration | 0h 51m |
| Aircraft | N2737U |
| Max altitude | 32,000 ft |
Punctuality, last 30 days
| Flights | 1 |
| On time | 1 (100%) |
| Average delay | +13 min |
| Worst delay | +13 min |
In the last 30 days UAL3870 departed on time (within 15 minutes) on 1 of 1 flight (100%), with an average departure delay of +13 min and a worst delay of +13 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.