Flight

DAL637 6 May 2026

DAL637, operated by Delta Air Lines, on 6 May 2026: Chicago Ohare International (KORD) to Seattle Tacoma International (KSEA), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 5 May 2026All DAL637 flights7 May 2026 →

Leg 1 of 3estimated

PlaneTrack receiver network
RouteKORD CHICAGO OHARE INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne19:00 CDT 5 May
Last seen20:32 PDT 5 May
Duration3h 32m
AircraftA3A152
Max altitude36,000 ft
Distance tracked1,491 nm

Leg 2 of 3

PlaneTrack receiver network
RouteKSEA SEATTLE TACOMA INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne20:34 PDT 5 May
Last seen16:30 CDT
Duration17h 55m
AircraftA3A152
Max altitude35,000 ft
Distance tracked1,491 nm

Leg 3 of 3estimated

PlaneTrack receiver network
RouteKORD CHICAGO OHARE INTERNATIONAL → KDPA DU PAGE
StatusCompleted (receiver network)
First seen airborne18:41 CDT
Last seen18:58 CDT
Duration0h 16m
AircraftN112DU
Max altitude27,950 ft
Distance tracked15 nm

Punctuality, last 30 days

Flights8
On time1 (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.

DAL637 flight history Full history CSV API access

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.