Flight
UAL1257 27 May 2026
UAL1257, operated by United Airlines, on 27 May 2026: Miami International (KMIA) 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 | KMIA MIAMI INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 08:10 EDT |
| Last seen | 10:34 PDT |
| Duration | 5h 23m |
| Aircraft | N17254 |
| Max altitude | 38,025 ft |
| Distance tracked | 2,242 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KHWO NORTH PERRY → KSAN SAN DIEGO INTERNATIONAL LINDBERGH FLD |
| Status | Completed (receiver network) |
| First seen airborne | 17:40 EDT |
| Last seen | 16:10 PDT |
| Duration | 1h 29m |
| Aircraft | N37298 |
| Max altitude | 35,000 ft |
| Distance tracked | 1,964 nm |
Punctuality, last 30 days
| Flights | 13 |
| On time | 4 (31%) |
| Average delay | +29 min |
| Worst delay | +81 min |
In the last 30 days UAL1257 departed on time (within 15 minutes) on 4 of 13 flights (31%), with an average departure delay of +29 min and a worst delay of +81 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.