Flight
UAL1577 15 Feb 2026
UAL1577, operated by United Airlines, on 15 Feb 2026, 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 00:02Z |
| Last seen | 07:04Z |
| Duration | 7h 02m |
| Aircraft | A0B81E |
| Max altitude | 35,000 ft |
Leg 2 of 3
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 00:19 PST |
| Last seen | 12:44 CST |
| Duration | 10h 24m |
| Aircraft | A0B81E |
| Max altitude | 32,025 ft |
| Distance tracked | 1,600 nm |
Leg 3 of 3estimated
PlaneTrack receiver network| Route | KORD CHICAGO OHARE INTERNATIONAL → KOAK METROPOLITAN OAKLAND INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 16:55 CST |
| Last seen | 15:58 PST |
| Duration | 1h 02m |
| Aircraft | A55FA2 |
| Max altitude | 30,025 ft |
| Distance tracked | 1,591 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.