Flight
UAL1239 28 May 2026
UAL1239, operated by United Airlines, on 28 May 2026: The William B Hartsfield Atlanta International (KATL) to Chicago Ohare International (KORD), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KATL THE WILLIAM B HARTSFIELD ATLANTA INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 12:39 EDT |
| Last seen | 12:20 CDT |
| Duration | 0h 40m |
| Aircraft | N76517 |
| Max altitude | 32,000 ft |
| Distance tracked | 527 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KORD CHICAGO OHARE INTERNATIONAL → KROC GREATER ROCHESTER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 14:23 CDT |
| Last seen | 16:38 EDT |
| Duration | 1h 14m |
| Aircraft | N73278 |
| Max altitude | 35,000 ft |
| Distance tracked | 457 nm |
Punctuality, last 30 days
| Flights | 14 |
| On time | 7 (50%) |
| Average delay | +44 min |
| Worst delay | +173 min |
In the last 30 days UAL1239 departed on time (within 15 minutes) on 7 of 14 flights (50%), with an average departure delay of +44 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.