Flight
UAL503 25 Sep 2026
UAL503, operated by United Airlines, on 25 Sep 2026: General Edward Lawrence Logan International (KBOS) to Chicago Ohare International (KORD), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
FAA SWIM schedule| Route | KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed, departure delayed +20 min |
| Scheduled departure | 10:35 EDT |
| Actual departure | 10:55 EDT delayed +20 min |
| Actual arrival | 12:03 CDT |
| Duration | 2h 08m |
| Aircraft | N437UA A320 |
| Max altitude | 36,000 ft |
| Distance tracked | 751 nm |
Leg 2 of 2
FAA SWIM schedule| Route | KORD CHICAGO OHARE INTERNATIONAL → KEGE Eagle County Regional Airport |
| Status | Completed, departure delayed +64 min |
| Scheduled departure | 16:00 CDT |
| Actual departure | 17:04 CDT delayed +64 min |
| Actual arrival | 18:30 MDT |
| Duration | 2h 26m |
| Aircraft | N24736 B737 |
| Max altitude | 40,000 ft |
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.