Flight
UAL1857 3 Feb 2026
UAL1857, operated by United Airlines, on 3 Feb 2026: Sioux Falls Regional Airport (KFSD) to Chicago Ohare International (KORD), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KFSD Sioux Falls Regional Airport → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 07:36 CST |
| Last seen | 08:54 CST |
| Duration | 1h 17m |
| Aircraft | N78501 |
| Max altitude | 35,000 ft |
| Distance tracked | 400 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KORD CHICAGO OHARE INTERNATIONAL → KMIA MIAMI INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 11:16 CST |
| Last seen | 14:50 EST |
| Duration | 2h 33m |
| Aircraft | A0B845 |
| Max altitude | 35,050 ft |
| Distance tracked | 1,042 nm |
Punctuality, last 30 days
| Flights | 6 |
| On time | 5 (83%) |
| Average delay | +21 min |
| Worst delay | +95 min |
In the last 30 days UAL1857 departed on time (within 15 minutes) on 5 of 6 flights (83%), with an average departure delay of +21 min and a worst delay of +95 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.