Flight
DAL977 4 Sep 2026
DAL977, operated by Delta Air Lines, on 4 Sep 2026: Laurence G Hanscom Fld (KBED) to General Edward Lawrence Logan International (KBOS), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3estimated
PlaneTrack receiver network| Route | KBED LAURENCE G HANSCOM FLD → KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 20:00 EDT 3 Sep |
| Last seen | 21:16 EDT 3 Sep |
| Duration | 1h 16m |
| Aircraft | N520DE |
| Max altitude | 33,050 ft |
| Distance tracked | 14 nm |
Leg 2 of 3estimated
PlaneTrack receiver network| Route | KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 08:28 EDT |
| Last seen | 11:54 PDT |
| Duration | 6h 26m |
| Aircraft | N574DT |
| Max altitude | 36,050 ft |
| Distance tracked | 2,344 nm |
Leg 3 of 3estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 20:03Z |
| Last seen | 23:58Z |
| Duration | 3h 54m |
| Aircraft | N574DT |
| Max altitude | 35,025 ft |
Punctuality, last 30 days
| Flights | 17 |
| On time | 3 (18%) |
| Average delay | +50 min |
| Worst delay | +183 min |
In the last 30 days DAL977 departed on time (within 15 minutes) on 3 of 17 flights (18%), with an average departure delay of +50 min and a worst delay of +183 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.