Flight
DAL1239 29 Sep 2026
DAL1239, operated by Delta Air Lines, on 29 Sep 2026: Seattle Tacoma International (KSEA) to Salt Lake City International (KSLC). Scheduled and actual times are local to each airport (hover for UTC).
Flight
FAA SWIM schedule| Route | KSEA SEATTLE TACOMA INTERNATIONAL → KSLC SALT LAKE CITY INTERNATIONAL |
| Status | Completed, departure delayed +29 min |
| Scheduled departure | 19:59 PDT 28 Sep |
| Actual departure | 20:28 PDT 28 Sep delayed +29 min |
| Actual arrival | 22:52 MDT 28 Sep |
| Duration | 1h 24m |
| Aircraft | N821DN B739 |
| Max altitude | 35,025 ft |
| Distance tracked | 597 nm |
Punctuality, last 30 days
| Flights | 4 |
| On time | 0 (0%) |
| Average delay | +32 min |
| Worst delay | +46 min |
In the last 30 days DAL1239 departed on time (within 15 minutes) on 0 of 4 flights (0%), with an average departure delay of +32 min and a worst delay of +46 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.