Flight
UAL623 1 Apr 2026
UAL623, operated by United Airlines, on 1 Apr 2026: Chicago Ohare International (KORD) to Seattle Tacoma International (KSEA), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KORD CHICAGO OHARE INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 19:07 CDT 31 Mar |
| Last seen | 21:12 PDT 31 Mar |
| Duration | 4h 04m |
| Aircraft | N77538 |
| Max altitude | 34,000 ft |
| Distance tracked | 1,491 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | ? → KSEA SEATTLE TACOMA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 22:55Z |
| Last seen | 16:24 PDT |
| Duration | 0h 28m |
| Aircraft | N17285 |
| Max altitude | 36,000 ft |
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.