Flight
DAL977 1 Oct 2026
DAL977, operated by Delta Air Lines, on 1 Oct 2026: General Edward Lawrence Logan International (KBOS) to San Francisco International (KSFO), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
FAA SWIM schedule| Route | KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed, departure delayed +19 min |
| Scheduled departure | 07:35 EDT |
| Actual departure | 07:54 EDT delayed +19 min |
| Actual arrival | 10:48 PDT |
| Duration | 5h 54m |
| Aircraft | N579DT A21N |
| Max altitude | 34,050 ft |
| Distance tracked | 2,344 nm |
Leg 2 of 2
FAA SWIM schedule| Route | KSFO SAN FRANCISCO INTERNATIONAL → KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL |
| Status | Completed, departure delayed +32 min |
| Scheduled departure | 12:20 PDT |
| Actual departure | 12:52 PDT delayed +32 min |
| Actual arrival | 20:53 EDT |
| Duration | 5h 01m |
| Aircraft | N579DT A21N |
| Max altitude | 35,050 ft |
| Distance tracked | 2,344 nm |
Punctuality, last 30 days
| Flights | 13 |
| On time | 2 (15%) |
| Average delay | +48 min |
| Worst delay | +183 min |
In the last 30 days DAL977 departed on time (within 15 minutes) on 2 of 13 flights (15%), with an average departure delay of +48 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.