Flight
UAL1665 23 Jan 2026
UAL1665, operated by United Airlines, on 23 Jan 2026: Seattle Tacoma International (KSEA) 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 | KSEA SEATTLE TACOMA INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 19:25 PST 22 Jan |
| Last seen | 21:22 PST 22 Jan |
| Duration | 1h 57m |
| Aircraft | N37541 |
| Max altitude | 33,025 ft |
| Distance tracked | 590 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 23:20 PST 22 Jan |
| Last seen | 07:24 EST |
| Duration | 5h 03m |
| Aircraft | N12109 |
| Max altitude | 37,025 ft |
| Distance tracked | 2,344 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 3 (43%) |
| Average delay | +22 min |
| Worst delay | +49 min |
In the last 30 days UAL1665 departed on time (within 15 minutes) on 3 of 7 flights (43%), with an average departure delay of +22 min and a worst delay of +49 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.