Flight
UAL3931 20 Aug 2026
UAL3931, operated by United Airlines, on 20 Aug 2026: Seattle Tacoma International (KSEA) to Denver International (KDEN). Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | KSEA SEATTLE TACOMA INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 22:01 PDT 19 Aug |
| Last seen | 01:18 MDT |
| Duration | 2h 16m |
| Aircraft | N37472 |
| Max altitude | 39,025 ft |
| Distance tracked | 888 nm |
Punctuality, last 30 days
| Flights | 3 |
| On time | 1 (33%) |
| Average delay | +35 min |
| Worst delay | +70 min |
In the last 30 days UAL3931 departed on time (within 15 minutes) on 1 of 3 flights (33%), with an average departure delay of +35 min and a worst delay of +70 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.