Flight
UAL1561 21 Sep 2026
UAL1561, operated by United Airlines, on 21 Sep 2026: 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 | 17:25 PDT 20 Sep |
| Last seen | 08:00 MDT |
| Duration | 13h 34m |
| Aircraft | N87527 |
| Max altitude | 37,000 ft |
| Distance tracked | 838 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 12:48 MDT |
| Last seen | 14:14 PDT |
| Duration | 2h 26m |
| Aircraft | A5D6F9 |
| Max altitude | 38,000 ft |
| Distance tracked | 838 nm |
Punctuality, last 30 days
| Flights | 21 |
| On time | 8 (38%) |
| Average delay | -230 min |
| Worst delay | +143 min |
In the last 30 days UAL1561 departed on time (within 15 minutes) on 8 of 21 flights (38%), with an average departure delay of -230 min and a worst delay of +143 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.