Flight
UAL1239 21 Jul 2026
UAL1239, operated by United Airlines, on 21 Jul 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 | 11:36 EDT |
| Last seen | 12:34 CDT |
| Duration | 1h 58m |
| Aircraft | N76508 |
| Max altitude | 34,000 ft |
| Distance tracked | 527 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 23:04Z |
| Last seen | 23:58Z |
| Duration | 0h 53m |
| Aircraft | N27722 |
| Max altitude | 37,000 ft |
Punctuality, last 30 days
| Flights | 14 |
| On time | 8 (57%) |
| Average delay | +26 min |
| Worst delay | +140 min |
In the last 30 days UAL1239 departed on time (within 15 minutes) on 8 of 14 flights (57%), with an average departure delay of +26 min and a worst delay of +140 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.