Flight
UAL1665 23 Apr 2026
UAL1665, operated by United Airlines, on 23 Apr 2026: Ontario International (KONT) to San Francisco International (KSFO), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | KONT ONTARIO INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 19:35 PDT 22 Apr |
| Last seen | 21:02 PDT 22 Apr |
| Duration | 1h 26m |
| Aircraft | N27268 |
| Max altitude | 32,000 ft |
| Distance tracked | 315 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 23:23 PDT 22 Apr |
| Last seen | 08:08 EDT |
| Duration | 5h 44m |
| Aircraft | N77552 |
| Max altitude | 31,025 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.