Flight
DAL637 12 Jun 2026
DAL637, operated by Delta Air Lines, on 12 Jun 2026: Seattle Tacoma International (KSEA) to Chicago Ohare International (KORD), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KSEA SEATTLE TACOMA INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 11:11 PDT |
| Last seen | 16:20 CDT |
| Duration | 3h 08m |
| Aircraft | N933DZ |
| Max altitude | 35,000 ft |
| Distance tracked | 1,491 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KORD CHICAGO OHARE INTERNATIONAL → KDPA DU PAGE |
| Status | Completed (receiver network) |
| First seen airborne | 18:13 CDT |
| Last seen | 18:58 CDT |
| Duration | 0h 44m |
| Aircraft | N933DZ |
| Max altitude | 34,000 ft |
| Distance tracked | 15 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 1 (12%) |
| Average delay | +39 min |
| Worst delay | +74 min |
In the last 30 days DAL637 departed on time (within 15 minutes) on 1 of 8 flights (12%), with an average departure delay of +39 min and a worst delay of +74 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.