Flight
UAL503 18 Sep 2026
UAL503, operated by United Airlines, on 18 Sep 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
PlaneTrack receiver network| Route | KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 11:09 EDT |
| Last seen | 12:40 CDT |
| Duration | 2h 30m |
| Aircraft | A5CF1B |
| Max altitude | 34,000 ft |
| Distance tracked | 751 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 6 (86%) |
| Average delay | +17 min |
| Worst delay | +72 min |
In the last 30 days UAL503 departed on time (within 15 minutes) on 6 of 7 flights (86%), with an average departure delay of +17 min and a worst delay of +72 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.