Flight
UAL2866 16 Dec 2025
UAL2866, operated by United Airlines, on 16 Dec 2025: Seattle Tacoma International (KSEA) to San Francisco International (KSFO), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3estimated
PlaneTrack receiver network| Route | KSEA SEATTLE TACOMA INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 16:00 PST 15 Dec |
| Last seen | 18:46 PST 15 Dec |
| Duration | 2h 46m |
| Aircraft | N77871 |
| Max altitude | 36,025 ft |
| Distance tracked | 590 nm |
Leg 2 of 3
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 20:44 PST 15 Dec |
| Last seen | 13:19 CST |
| Duration | 14h 34m |
| Aircraft | N899UA |
| Max altitude | 34,975 ft |
| Distance tracked | 1,600 nm |
Leg 3 of 3estimated
PlaneTrack receiver network| Route | KORD CHICAGO OHARE INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 16:39 CST |
| Last seen | 23:58Z |
| Duration | 1h 18m |
| Aircraft | N77871 |
| Max altitude | 32,025 ft |
Punctuality, last 30 days
| Flights | 10 |
| On time | 4 (40%) |
| Average delay | +22 min |
| Worst delay | +50 min |
In the last 30 days UAL2866 departed on time (within 15 minutes) on 4 of 10 flights (40%), with an average departure delay of +22 min and a worst delay of +50 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.