Flight
UAL623 17 Apr 2026
UAL623, operated by United Airlines, on 17 Apr 2026, 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | ? → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 00:49Z |
| Last seen | 10:48 CDT |
| Duration | 14h 58m |
| Aircraft | A5CF3C |
| Max altitude | 36,050 ft |
| Distance tracked | 635 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KORD CHICAGO OHARE INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 14:36 CDT |
| Last seen | 16:28 PDT |
| Duration | 3h 51m |
| Aircraft | A5CF66 |
| Max altitude | 36,025 ft |
| Distance tracked | 1,491 nm |
Punctuality, last 30 days
| Flights | 4 |
| On time | 1 (25%) |
| Average delay | +46 min |
| Worst delay | +92 min |
In the last 30 days UAL623 departed on time (within 15 minutes) on 1 of 4 flights (25%), with an average departure delay of +46 min and a worst delay of +92 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.