Flight
DAL1399 21 Sep 2026
DAL1399, operated by Delta Air Lines, on 21 Sep 2026: General Edward Lawrence Logan International (KBOS) to Miami International (KMIA), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL → KMIA MIAMI INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 07:09 EDT |
| Last seen | 11:38 EDT |
| Duration | 4h 28m |
| Aircraft | N394DA |
| Max altitude | 38,000 ft |
| Distance tracked | 1,095 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KMIA MIAMI INTERNATIONAL → KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 11:42 EDT |
| Last seen | 17:22 EDT |
| Duration | 5h 39m |
| Aircraft | N394DA |
| Max altitude | 35,025 ft |
| Distance tracked | 1,095 nm |
Punctuality, last 30 days
| Flights | 15 |
| On time | 1 (7%) |
| Average delay | +48 min |
| Worst delay | +134 min |
In the last 30 days DAL1399 departed on time (within 15 minutes) on 1 of 15 flights (7%), with an average departure delay of +48 min and a worst delay of +134 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.