Flight
UAL1577 21 Sep 2026
UAL1577, operated by United Airlines, on 21 Sep 2026, 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2partial
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → ? |
| Status | Partial record (receiver network) |
| First seen airborne | 17:00 PDT 20 Sep |
| Aircraft | N75858 |
| Max altitude | 17,650 ft |
Leg 2 of 2partial
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → ? |
| Status | Partial record (receiver network) |
| First seen airborne | 20:40 PDT 20 Sep |
| Aircraft | A44211 |
| Max altitude | 37,000 ft |
| Distance tracked | 388 nm |
Punctuality, last 30 days
| Flights | 21 |
| On time | 6 (29%) |
| Average delay | +1 min |
| Worst delay | +291 min |
In the last 30 days UAL1577 departed on time (within 15 minutes) on 6 of 21 flights (29%), with an average departure delay of +1 min and a worst delay of +291 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.