Flight
DAL438 25 Sep 2026
DAL438, operated by Delta Air Lines, on 25 Sep 2026: Seattle Tacoma International (KSEA) to General Edward Lawrence Logan International (KBOS). Scheduled and actual times are local to each airport (hover for UTC).
Flight
FAA SWIM schedule| Route | KSEA SEATTLE TACOMA INTERNATIONAL → KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL |
| Status | Completed, departure delayed +45 min |
| Scheduled departure | 11:11 PDT |
| Actual departure | 11:56 PDT delayed +45 min |
| Actual arrival | 20:11 EDT |
| Duration | 5h 15m |
| Aircraft | N531DA A21N |
| Max altitude | 35,050 ft |
| Distance tracked | 2,162 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 0 (0%) |
| Average delay | +44 min |
| Worst delay | +78 min |
In the last 30 days DAL438 departed on time (within 15 minutes) on 0 of 7 flights (0%), with an average departure delay of +44 min and a worst delay of +78 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.