Flight
UAL1577 23 Apr 2026
UAL1577, operated by United Airlines, on 23 Apr 2026. Scheduled and actual times are local to each airport (hover for UTC).
Flightpartial
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → ? |
| Status | Partial record (receiver network) |
| First seen airborne | 19:13 PDT 22 Apr |
| Aircraft | N37504 |
| Max altitude | 37,000 ft |
| Distance tracked | 590 nm |
Punctuality, last 30 days
| Flights | 20 |
| On time | 6 (30%) |
| Average delay | -32 min |
| Worst delay | +82 min |
In the last 30 days UAL1577 departed on time (within 15 minutes) on 6 of 20 flights (30%), with an average departure delay of -32 min and a worst delay of +82 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.