Flight
DAL821 29 Dec 2025
DAL821, operated by Delta Air Lines, on 29 Dec 2025: The William B Hartsfield Atlanta International (KATL) to General Edward Lawrence Logan International (KBOS). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KATL THE WILLIAM B HARTSFIELD ATLANTA INTERNATIONAL → KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 16:28 EST |
| Last seen | 18:56 EST |
| Duration | 2h 28m |
| Aircraft | N385DZ |
| Max altitude | 35,025 ft |
| Distance tracked | 821 nm |
Punctuality, last 30 days
| Flights | 9 |
| On time | 1 (11%) |
| Average delay | -99 min |
| Worst delay | +110 min |
In the last 30 days DAL821 departed on time (within 15 minutes) on 1 of 9 flights (11%), with an average departure delay of -99 min and a worst delay of +110 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.