Flight
UAL8121 7 Feb 2026
UAL8121, operated by United Airlines, on 7 Feb 2026, 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | ? → KSMF SACRAMENTO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 00:02Z |
| Last seen | 18:58 PST 6 Feb |
| Duration | 2h 55m |
| Aircraft | N37273 |
| Max altitude | 38,000 ft |
Leg 2 of 2
PlaneTrack receiver network| Route | KORD CHICAGO OHARE INTERNATIONAL → KCLE CLEVELAND HOPKINS INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 09:08 CST |
| Last seen | 16:32 EST |
| Duration | 6h 23m |
| Aircraft | N37273 |
| Max altitude | 31,025 ft |
| Distance tracked | 273 nm |
Punctuality, last 30 days
| Flights | 6 |
| On time | 1 (17%) |
| Average delay | +53 min |
| Worst delay | +156 min |
In the last 30 days UAL8121 departed on time (within 15 minutes) on 1 of 6 flights (17%), with an average departure delay of +53 min and a worst delay of +156 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.