Flight
UAL1256 17 Aug 2025
UAL1256, operated by United Airlines, on 17 Aug 2025: San Francisco International (KSFO) to Denver International (KDEN), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 06:30 PDT |
| Last seen | 10:28 MDT |
| Duration | 2h 57m |
| Aircraft | A0B7D9 |
| Max altitude | 35,025 ft |
| Distance tracked | 838 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 13:24 MDT |
| Last seen | 19:56Z |
| Duration | 0h 31m |
| Aircraft | N876UA |
| Max altitude | 22,025 ft |
Punctuality, last 30 days
| Flights | 14 |
| On time | 4 (29%) |
| Average delay | +21 min |
| Worst delay | +68 min |
In the last 30 days UAL1256 departed on time (within 15 minutes) on 4 of 14 flights (29%), with an average departure delay of +21 min and a worst delay of +68 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.