Flight
DAL1521 3 Apr 2026
DAL1521, operated by Delta Air Lines, on 3 Apr 2026. Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | ? → KBFI BOEING FLD KING CO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 02:05Z |
| Last seen | 21:32 PDT 2 Apr |
| Duration | 2h 26m |
| Aircraft | N861DN |
| Max altitude | 36,000 ft |
Punctuality, last 30 days
| Flights | 6 |
| On time | 1 (17%) |
| Average delay | +34 min |
| Worst delay | +90 min |
In the last 30 days DAL1521 departed on time (within 15 minutes) on 1 of 6 flights (17%), with an average departure delay of +34 min and a worst delay of +90 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.