Flight
DAL1139 20 May 2026
DAL1139, operated by Delta Air Lines, on 20 May 2026: The William B Hartsfield Atlanta International (KATL) to Chicago Midway International (KMDW). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KATL THE WILLIAM B HARTSFIELD ATLANTA INTERNATIONAL → KMDW CHICAGO MIDWAY INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 22:07 EDT 19 May |
| Last seen | 00:08 CDT |
| Duration | 3h 00m |
| Aircraft | N827DN |
| Max altitude | 36,000 ft |
| Distance tracked | 513 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 4 (57%) |
| Average delay | -379 min |
| Worst delay | +75 min |
In the last 30 days DAL1139 departed on time (within 15 minutes) on 4 of 7 flights (57%), with an average departure delay of -379 min and a worst delay of +75 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.