Flight
DAL2639 4 Feb 2026
DAL2639, operated by Delta Air Lines, on 4 Feb 2026: John F Kennedy International (KJFK) to General Edward Lawrence Logan International (KBOS), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3
PlaneTrack receiver network| Route | KJFK JOHN F KENNEDY INTERNATIONAL → KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 21:05 EST 3 Feb |
| Last seen | 22:04 EST 3 Feb |
| Duration | 0h 58m |
| Aircraft | N104DU |
| Max altitude | 21,025 ft |
| Distance tracked | 162 nm |
Leg 2 of 3estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 07:38Z |
| Last seen | 08:14Z |
| Duration | 0h 35m |
| Aircraft | N104DU |
Leg 3 of 3estimated
PlaneTrack receiver network| Route | KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 04:06 EST |
| Last seen | 09:42Z |
| Duration | 0h 36m |
| Aircraft | N104DU |
Punctuality, last 30 days
| Flights | 7 |
| On time | 1 (14%) |
| Average delay | +69 min |
| Worst delay | +119 min |
In the last 30 days DAL2639 departed on time (within 15 minutes) on 1 of 7 flights (14%), with an average departure delay of +69 min and a worst delay of +119 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.