Flight
UAL2231 15 Dec 2025
UAL2231, operated by United Airlines, on 15 Dec 2025, 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 00:00Z |
| Last seen | 14:20Z |
| Duration | 14h 20m |
| Aircraft | N37525 |
| Max altitude | 15,450 ft |
Leg 2 of 3
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 06:51 PST |
| Last seen | 13:02 CST |
| Duration | 4h 10m |
| Aircraft | A0B867 |
| Max altitude | 35,050 ft |
| Distance tracked | 1,600 nm |
Leg 3 of 3partial
PlaneTrack receiver network| Route | KORD CHICAGO OHARE INTERNATIONAL → ? |
| Status | Partial record (receiver network) |
| First seen airborne | 16:19 CST |
| Aircraft | A5CC19 |
Punctuality, last 30 days
| Flights | 7 |
| On time | 3 (43%) |
| Average delay | +17 min |
| Worst delay | +35 min |
In the last 30 days UAL2231 departed on time (within 15 minutes) on 3 of 7 flights (43%), with an average departure delay of +17 min and a worst delay of +35 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.