Flight
DAL637 25 Sep 2026
DAL637, operated by Delta Air Lines, on 25 Sep 2026: Seattle Tacoma International (KSEA) to Chicago Ohare International (KORD). Scheduled and actual times are local to each airport (hover for UTC).
Flight
FAA SWIM schedule| Route | KSEA SEATTLE TACOMA INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed, departure delayed +55 min |
| Scheduled departure | 11:45 PDT |
| Actual departure | 12:40 PDT delayed +55 min |
| Actual arrival | 18:03 CDT |
| Duration | 3h 23m |
| Aircraft | N858DZ B739 |
| Max altitude | 35,000 ft |
| Distance tracked | 1,491 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.