Flight
UAL503 1 Oct 2026
UAL503, operated by United Airlines, on 1 Oct 2026: General Edward Lawrence Logan International (KBOS) to Chicago Ohare International (KORD). Scheduled and actual times are local to each airport (hover for UTC).
Flight
FAA SWIM schedule| Route | KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed, departed on time (+13 min) |
| Scheduled departure | 10:36 EDT |
| Actual departure | 10:49 EDT on time |
| Actual arrival | 12:03 CDT |
| Duration | 2h 14m |
| Aircraft | N78524 B738 |
| Max altitude | 37,025 ft |
| Distance tracked | 751 nm |
Punctuality, last 30 days
| Flights | 9 |
| On time | 3 (33%) |
| Average delay | +44 min |
| Worst delay | +110 min |
In the last 30 days UAL503 departed on time (within 15 minutes) on 3 of 9 flights (33%), with an average departure delay of +44 min and a worst delay of +110 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.