Flight
UAL1239 28 Sep 2026
UAL1239, operated by United Airlines, on 28 Sep 2026: Jacksonville International (KJAX) 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 | KJAX JACKSONVILLE INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed, departed on time (+11 min) |
| Scheduled departure | 09:40 EDT |
| Actual departure | 09:51 EDT on time |
| Actual arrival | 10:50 CDT |
| Duration | 1h 59m |
| Aircraft | N78509 B738 |
| Max altitude | 36,000 ft |
| Distance tracked | 751 nm |
Leg 2 of 2
FAA SWIM schedule| Route | KORD CHICAGO OHARE INTERNATIONAL → KROC GREATER ROCHESTER INTERNATIONAL |
| Status | Completed, departure delayed +31 min |
| Scheduled departure | 13:55 CDT |
| Actual departure | 14:26 CDT delayed +31 min |
| Actual arrival | 16:39 EDT |
| Duration | 1h 13m |
| Aircraft | N13750 B737 |
| Max altitude | 37,000 ft |
| Distance tracked | 457 nm |
Punctuality, last 30 days
| Flights | 14 |
| On time | 5 (36%) |
| Average delay | +56 min |
| Worst delay | +173 min |
In the last 30 days UAL1239 departed on time (within 15 minutes) on 5 of 14 flights (36%), with an average departure delay of +56 min and a worst delay of +173 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.