Flight
UAL646 16 Mar 2026
UAL646, operated by United Airlines, on 16 Mar 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 | 00:00Z |
| Last seen | 17:28 PDT 15 Mar |
| Duration | 0h 27m |
| Aircraft | N878UA |
| Max altitude | 34,075 ft |
Punctuality, last 30 days
| Flights | 7 |
| On time | 3 (43%) |
| Average delay | +15 min |
| Worst delay | +26 min |
In the last 30 days UAL646 departed on time (within 15 minutes) on 3 of 7 flights (43%), with an average departure delay of +15 min and a worst delay of +26 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.