Flight
DAL637 21 Jul 2026
DAL637, operated by Delta Air Lines, on 21 Jul 2026, 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3estimated
PlaneTrack receiver network| Route | ? → KSEA SEATTLE TACOMA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 00:00Z |
| Last seen | 20:56 PDT 20 Jul |
| Duration | 3h 56m |
| Aircraft | N809DN |
| Max altitude | 34,000 ft |
| Distance tracked | 1,491 nm |
Leg 2 of 3
PlaneTrack receiver network| Route | KSEA SEATTLE TACOMA INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 10:37 PDT |
| Last seen | 16:04 CDT |
| Duration | 3h 26m |
| Aircraft | N934DZ |
| Max altitude | 35,025 ft |
| Distance tracked | 1,491 nm |
Leg 3 of 3estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 23:26Z |
| Last seen | 23:58Z |
| Duration | 0h 31m |
| Aircraft | N934DZ |
| Max altitude | 36,000 ft |
Punctuality, last 30 days
| Flights | 7 |
| On time | 0 (0%) |
| Average delay | +50 min |
| Worst delay | +81 min |
In the last 30 days DAL637 departed on time (within 15 minutes) on 0 of 7 flights (0%), with an average departure delay of +50 min and a worst delay of +81 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.