Flight
UAL837 21 Sep 2026
UAL837, operated by United Airlines, on 21 Sep 2026: San Francisco International (KSFO) to New Tokyo International (RJAA). Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → RJAA NEW TOKYO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 12:01 PDT |
| Last seen | 05:08 JST 22 Sep |
| Duration | 1h 06m |
| Aircraft | N2138U |
| Max altitude | 28,000 ft |
| Distance tracked | 4,442 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 0 (0%) |
| Average delay | +44 min |
| Worst delay | +79 min |
In the last 30 days UAL837 departed on time (within 15 minutes) on 0 of 8 flights (0%), with an average departure delay of +44 min and a worst delay of +79 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.