Flight
UAL1257 31 Dec 2025
UAL1257, operated by United Airlines, on 31 Dec 2025: Chicago Ohare International (KORD) to Miami International (KMIA). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KORD CHICAGO OHARE INTERNATIONAL → KMIA MIAMI INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 06:11 CST |
| Last seen | 09:56 EST |
| Duration | 2h 44m |
| Aircraft | A12F4C |
| Max altitude | 35,000 ft |
| Distance tracked | 1,042 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.