Delta Air Lines flights from Detroit (DTW) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 19:45 Detroit (DTW) M 21:49 Seattle-Tacoma (SEA)
Delta Air Lines DL 565 Non-stop Airbus A321neo (32Q) 5:04 Effective 2026-01-05 through 2026-02-11
Mon-Fri,Sun 19:50 Detroit (DTW) M 21:48 Seattle-Tacoma (SEA)
Delta Air Lines DL 565 Non-stop Boeing 737-900 (739) 4:58 Effective 2026-03-08 through 2026-03-13
Mon-Fri,Sun 19:50 Detroit (DTW) M 21:50 Seattle-Tacoma (SEA)
Delta Air Lines DL 565 Non-stop Boeing 737-900 (739) 5:00 Effective 2026-03-15 through 2026-04-12
Daily 19:55 Detroit (DTW) M 22:05 Seattle-Tacoma (SEA)
Delta Air Lines DL 565 Non-stop Boeing 737-900 (739) 5:10 Effective from 2026-10-06
Mon-Fri,Sun 20:00 Detroit (DTW) M 22:05 Seattle-Tacoma (SEA)
Delta Air Lines DL 565 Non-stop Boeing 737-900 (739) 5:05 Effective 2026-04-13 through 2026-05-08
Daily 20:00 Detroit (DTW) M 22:05 Seattle-Tacoma (SEA)
Delta Air Lines DL 565 Non-stop Boeing 737-900 (739) 5:05 Effective 2026-05-09 through 2026-10-05
Mon-Fri,Sun 20:05 Detroit (DTW) M 22:05 Seattle-Tacoma (SEA)
Delta Air Lines DL 565 Non-stop Boeing 737-900 (739) 5:00 Effective 2026-02-16 through 2026-03-06
Wed,Thu,Sat 20:13 Detroit (DTW) M 22:25 Seattle-Tacoma (SEA)
Delta Air Lines DL 565 Non-stop Boeing 737-900 (739) 5:12 Valid until 2026-01-03
Thu,Fri 20:15 Detroit (DTW) M 22:20 Seattle-Tacoma (SEA)
Delta Air Lines DL 565 Non-stop Boeing 737-900 (739) 5:05 Effective 2026-02-12 through 2026-02-13
Mon,Tue,Fri,Sun 20:18 Detroit (DTW) M 22:25 Seattle-Tacoma (SEA)
Delta Air Lines DL 565 Non-stop Boeing 737-900 (739) 5:07 Valid until 2026-01-04
Daily 12:15 Detroit (DTW) M 14:21 Seattle-Tacoma (SEA)
Delta Air Lines DL 728 Non-stop Airbus A321 (321) 5:06 Effective 2026-04-13 through 2026-10-05
Daily 12:15 Detroit (DTW) M 14:23 Seattle-Tacoma (SEA)
Delta Air Lines DL 728 Non-stop Airbus A321 (321) 5:08 Effective from 2026-10-06
Daily 12:19 Detroit (DTW) M 14:20 Seattle-Tacoma (SEA)
Delta Air Lines DL 728 Non-stop Boeing 737-900 (739) 5:01 Effective 2026-02-12 through 2026-03-07
Daily 12:20 Detroit (DTW) M 14:21 Seattle-Tacoma (SEA)
Delta Air Lines DL 728 Non-stop Boeing 737-900 (739) 5:01 Effective 2026-01-05 through 2026-02-11
Daily 12:20 Detroit (DTW) M 14:18 Seattle-Tacoma (SEA)
Delta Air Lines DL 728 Non-stop Boeing 737-900 (739) 4:58 Effective 2026-03-08 through 2026-03-14
Daily 12:20 Detroit (DTW) M 14:20 Seattle-Tacoma (SEA)
Delta Air Lines DL 728 Non-stop Boeing 737-900 (739) 5:00 Effective 2026-03-15 through 2026-04-12
Sun 12:33 Detroit (DTW) M 14:35 Seattle-Tacoma (SEA)
Delta Air Lines DL 728 Non-stop Boeing 737-900 (739) 5:02 Operates only on 2026-01-04
Daily 12:40 Detroit (DTW) M 14:42 Seattle-Tacoma (SEA)
Delta Air Lines DL 728 Non-stop Boeing 737-900 (739) 5:02 Valid until 2026-01-03
Mon-Fri,Sun 18:20 Detroit (DTW) M 20:29 Seattle-Tacoma (SEA)
Delta Air Lines DL 732 Non-stop Airbus A321 (321) 5:09 Effective 2026-05-07 through 2026-05-22
Mon-Fri,Sun 18:20 Detroit (DTW) M 20:29 Seattle-Tacoma (SEA)
Delta Air Lines DL 732 Non-stop Airbus A321 (321) 5:09 Effective 2026-05-25 through 2026-06-12
Daily 18:20 Detroit (DTW) M 20:29 Seattle-Tacoma (SEA)
Delta Air Lines DL 732 Non-stop Airbus A321 (321) 5:09 Effective 2026-06-13 through 2026-10-05
Daily 08:25 Detroit (DTW) M 10:35 Seattle-Tacoma (SEA)
Delta Air Lines DL 734 Non-stop Boeing 737-900 (739) 5:10 Valid until 2026-01-04
Daily 08:25 Detroit (DTW) M 10:31 Seattle-Tacoma (SEA)
Delta Air Lines DL 734 Non-stop Boeing 737-900 (739) 5:06 Effective 2026-03-08 through 2026-03-14
Daily 08:25 Detroit (DTW) M 10:33 Seattle-Tacoma (SEA)
Delta Air Lines DL 734 Non-stop Boeing 737-900 (739) 5:08 Effective 2026-03-15 through 2026-04-12
Daily 08:25 Detroit (DTW) M 10:34 Seattle-Tacoma (SEA)
Delta Air Lines DL 734 Non-stop Airbus A321 (321) 5:09 Effective 2026-04-13 through 2026-10-05
Daily 08:25 Detroit (DTW) M 10:42 Seattle-Tacoma (SEA)
Delta Air Lines DL 734 Non-stop Airbus A321 (321) 5:17 Effective from 2026-10-06
Daily 08:30 Detroit (DTW) M 10:42 Seattle-Tacoma (SEA)
Delta Air Lines DL 734 Non-stop Boeing 737-900 (739) 5:12 Effective 2026-01-05 through 2026-01-23
Mon-Fri,Sun 08:30 Detroit (DTW) M 10:42 Seattle-Tacoma (SEA)
Delta Air Lines DL 734 Non-stop Boeing 737-900 (739) 5:12 Effective 2026-01-25 through 2026-02-13
Daily 08:30 Detroit (DTW) M 10:42 Seattle-Tacoma (SEA)
Delta Air Lines DL 734 Non-stop Boeing 737-900 (739) 5:12 Effective 2026-02-14 through 2026-03-07
Sat 08:35 Detroit (DTW) M 10:49 Seattle-Tacoma (SEA)
Delta Air Lines DL 734 Non-stop Airbus A321neo (32Q) 5:14 Effective 2026-01-24 through 2026-02-07
Daily 06:00 Detroit (DTW) M 07:55 Seattle-Tacoma (SEA)
Delta Air Lines DL 814 Non-stop Boeing 737-900 (739) 4:55 Effective 2026-06-07 through 2026-08-09
Daily 16:25 Detroit (DTW) M 18:28 Seattle-Tacoma (SEA)
Delta Air Lines DL 944 Non-stop Airbus A321 (321) 5:03 Valid until 2026-01-04
Daily 16:29 Detroit (DTW) M 18:24 Seattle-Tacoma (SEA)
Delta Air Lines DL 944 Non-stop Boeing 737-900 (739) 4:55 Effective 2026-03-08 through 2026-03-14
Daily 16:29 Detroit (DTW) M 18:26 Seattle-Tacoma (SEA)
Delta Air Lines DL 944 Non-stop Boeing 737-900 (739) 4:57 Effective 2026-03-15 through 2026-04-12
Daily 16:35 Detroit (DTW) M 18:36 Seattle-Tacoma (SEA)
Delta Air Lines DL 944 Non-stop Boeing 737-900 (739) 5:01 Effective 2026-04-13 through 2026-10-05
Daily 16:35 Detroit (DTW) M 18:38 Seattle-Tacoma (SEA)
Delta Air Lines DL 944 Non-stop Boeing 737-900 (739) 5:03 Effective from 2026-10-06
Daily 16:59 Detroit (DTW) M 19:00 Seattle-Tacoma (SEA)
Delta Air Lines DL 944 Non-stop Airbus A321 (321) 5:01 Effective 2026-02-12 through 2026-03-07
Sun 21:45 Detroit (DTW) M 23:52 Seattle-Tacoma (SEA)
Delta Air Lines DL 8796 Non-stop Boeing 737-800 (738) 5:07 Operates only on 2026-01-04


Delta Air Lines flights from Detroit (DTW) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:04, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-03-08 through 2026-03-13
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:58, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:00, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:10, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-04-13 through 2026-05-08
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:05, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-05-09 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:05, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-02-16 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:00, non-stop
Boeing 737-900 (739)

Direct Flights:

Valid until 2026-01-03
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
Sun
-
Duration: 5:12, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-02-12 through 2026-02-13
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:05, non-stop
Boeing 737-900 (739)

Direct Flights:

Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 5:07, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:06, non-stop
Airbus A321 (321)

Direct Flights:

Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:08, non-stop
Airbus A321 (321)

Direct Flights:

Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:01, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:01, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:58, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:00, non-stop
Boeing 737-900 (739)

Direct Flights:

Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:02, non-stop
Boeing 737-900 (739)

Direct Flights:

Valid until 2026-01-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:02, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-05-07 through 2026-05-22
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:09, non-stop
Airbus A321 (321)

Direct Flights:

Effective 2026-05-25 through 2026-06-12
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:09, non-stop
Airbus A321 (321)

Direct Flights:

Effective 2026-06-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:09, non-stop
Airbus A321 (321)

Direct Flights:

Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:10, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:06, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:08, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:09, non-stop
Airbus A321 (321)

Direct Flights:

Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:17, non-stop
Airbus A321 (321)

Direct Flights:

Effective 2026-01-05 through 2026-01-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:12, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-01-25 through 2026-02-13
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:12, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-02-14 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:12, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-01-24 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:14, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-06-07 through 2026-08-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:55, non-stop
Boeing 737-900 (739)

Direct Flights:

Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:03, non-stop
Airbus A321 (321)

Direct Flights:

Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:55, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:57, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:01, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:03, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:01, non-stop
Airbus A321 (321)

Direct Flights:

Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:07, non-stop
Boeing 737-800 (738)
  • A domestic route departing from the Detroit airport (DTW) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 1921 miles, or 3091 km.
  • The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-8 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 4:55 and 5:17.