Flight
DAL1638 30 Dec 2025
DAL1638, operated by Delta Air Lines, on 30 Dec 2025, 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3estimated
PlaneTrack receiver network| Route | ? → KJFK JOHN F KENNEDY INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 00:02Z |
| Last seen | 20:40 EST 29 Dec |
| Duration | 1h 37m |
| Aircraft | N394DX |
| Max altitude | 31,050 ft |
| Distance tracked | 894 nm |
Leg 2 of 3
PlaneTrack receiver network| Route | KJFK JOHN F KENNEDY INTERNATIONAL → KPBI PALM BEACH INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 13:41 EST |
| Last seen | 16:34 EST |
| Duration | 2h 52m |
| Aircraft | N378DN |
| Max altitude | 34,050 ft |
| Distance tracked | 894 nm |
Leg 3 of 3estimated
PlaneTrack receiver network| Route | KPBI PALM BEACH INTERNATIONAL → KJFK JOHN F KENNEDY INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 17:57 EST |
| Last seen | 18:58 EST |
| Duration | 1h 00m |
| Aircraft | N378DN |
| Max altitude | 35,025 ft |
| Distance tracked | 894 nm |
Punctuality, last 30 days
| Flights | 10 |
| On time | 7 (70%) |
| Average delay | -132 min |
| Worst delay | +27 min |
In the last 30 days DAL1638 departed on time (within 15 minutes) on 7 of 10 flights (70%), with an average departure delay of -132 min and a worst delay of +27 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.