All airlines flying from Seattle-Tacoma (SEA) to Detroit (DTW).

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue-Thu 06:00 Seattle-Tacoma (SEA) 13:22 Detroit (DTW) M
Air France AF 2916 Non-stop Boeing 737-900 (739) 4:22 Effective from 2026-01-06
Codeshare flight, operated by Delta Air Lines.(DL 812)
Tue-Thu,Sat 06:05 Seattle-Tacoma (SEA) 13:15 Detroit (DTW) M
Air France AF 2916 Non-stop Boeing 737-900 (739) 4:10 Valid until 2025-05-06
Codeshare flight, operated by Delta Air Lines.(DL 812)
Daily 13:30 Seattle-Tacoma (SEA) 20:45 Detroit (DTW) M
Korean Air KE 3015 Non-stop Boeing 737-900 (739) 4:15 Effective from 2026-01-06
Codeshare flight, operated by Delta Air Lines.(DL 533)
Mon,Thu,Fri,Sun 13:35 Seattle-Tacoma (SEA) 20:49 Detroit (DTW) M
Korean Air KE 3015 Non-stop Boeing 737-900 (739) 4:14 Valid until 2025-05-05
Codeshare flight, operated by Delta Air Lines.(DL 533)
Daily 15:04 Seattle-Tacoma (SEA) 22:20 Detroit (DTW) M
Korean Air KE 3015 Non-stop Boeing 737-900 (739) 4:16 Effective 2025-09-08 through 2025-10-25
Codeshare flight, operated by Delta Air Lines.(DL 533)
Daily 15:04 Seattle-Tacoma (SEA) 22:20 Detroit (DTW) M
Korean Air KE 3015 Non-stop Boeing 737-900 (739) 4:16 Effective 2025-11-02 through 2025-12-19
Codeshare flight, operated by Delta Air Lines.(DL 533)
Daily 15:15 Seattle-Tacoma (SEA) 22:30 Detroit (DTW) M
Korean Air KE 3015 Non-stop Airbus A321 (321) 4:15 Effective 2025-07-07 through 2025-08-10
Codeshare flight, operated by Delta Air Lines.(DL 533)
Daily 15:15 Seattle-Tacoma (SEA) 22:30 Detroit (DTW) M
Korean Air KE 3015 Non-stop Boeing 737-900 (739) 4:15 Effective 2025-08-11 through 2025-08-29
Codeshare flight, operated by Delta Air Lines.(DL 533)
Daily 15:15 Seattle-Tacoma (SEA) 22:30 Detroit (DTW) M
Korean Air KE 3015 Non-stop Boeing 737-900 (739) 4:15 Effective 2025-09-01 through 2025-09-07
Codeshare flight, operated by Delta Air Lines.(DL 533)
Mon,Thu,Fri,Sun 15:31 Seattle-Tacoma (SEA) 22:57 Detroit (DTW) M
Korean Air KE 3015 Non-stop Airbus A321 (321) 4:26 Effective 2025-05-08 through 2025-05-23
Codeshare flight, operated by Delta Air Lines.(DL 533)
Mon,Thu,Fri,Sun 15:31 Seattle-Tacoma (SEA) 22:57 Detroit (DTW) M
Korean Air KE 3015 Non-stop Airbus A321 (321) 4:26 Effective 2025-05-26 through 2025-06-06
Codeshare flight, operated by Delta Air Lines.(DL 533)
Daily 15:35 Seattle-Tacoma (SEA) 22:59 Detroit (DTW) M
Korean Air KE 3015 Non-stop Boeing 737-900 (739) 4:24 Effective 2025-06-08 through 2025-07-06
Codeshare flight, operated by Delta Air Lines.(DL 533)
Daily 15:55 Seattle-Tacoma (SEA) 23:16 Detroit (DTW) M
Korean Air KE 3015 Non-stop Boeing 737-900 (739) 4:21 Effective 2025-12-20 through 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 842)
Sat,Sun 23:05 Seattle-Tacoma (SEA) 06:24 Detroit (DTW) M
Korean Air KE 3015 Non-stop Airbus A321 (321) 4:19 Effective 2025-08-30 through 2025-08-31
Codeshare flight, operated by Delta Air Lines.(DL 810)
The flight arrives 1 day after departure.
Mon-Fri,Sun 23:05 Seattle-Tacoma (SEA) 06:25 Detroit (DTW) M
Korean Air KE 3015 Non-stop Airbus A321 (321) 4:20 Effective 2025-10-26 through 2025-10-31
Codeshare flight, operated by Delta Air Lines.(DL 810)
The flight arrives 1 day after departure.
Sat 23:05 Seattle-Tacoma (SEA) 05:25 Detroit (DTW) M
Korean Air KE 3015 Non-stop Airbus A321 (321) 4:20 Operates only on 2025-11-01
Codeshare flight, operated by Delta Air Lines.(DL 810)
The flight arrives 1 day after departure.
Daily 11:45 Seattle-Tacoma (SEA) 19:09 Detroit (DTW) M
Korean Air KE 3047 Non-stop Boeing 737-900 (739) 4:24 Effective 2025-10-26 through 2025-12-19
Codeshare flight, operated by Delta Air Lines.(DL 758)
Daily 11:45 Seattle-Tacoma (SEA) 19:11 Detroit (DTW) M
Korean Air KE 3047 Non-stop Airbus A321 (321) 4:26 Effective 2025-12-20 through 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 1706)
Fri 22:00 Seattle-Tacoma (SEA) 05:15 Detroit (DTW) M
Korean Air KE 3047 Non-stop Airbus A321neo (32Q) 4:15 Valid until 2025-05-02
Codeshare flight, operated by Delta Air Lines.(DL 810)
The flight arrives 1 day after departure.
Mon-Thu,Sat,Sun 22:55 Seattle-Tacoma (SEA) 06:09 Detroit (DTW) M
Korean Air KE 3047 Non-stop Airbus A321neo (32Q) 4:14 Valid until 2025-05-06
Codeshare flight, operated by Delta Air Lines.(DL 810)
The flight arrives 1 day after departure.
Tue,Wed,Sat 22:55 Seattle-Tacoma (SEA) 06:14 Detroit (DTW) M
Korean Air KE 3047 Non-stop Boeing 737-900 (739) 4:19 Effective 2025-05-07 through 2025-05-24
Codeshare flight, operated by Delta Air Lines.(DL 810)
The flight arrives 1 day after departure.
Wed,Sat,Sun 22:55 Seattle-Tacoma (SEA) 06:14 Detroit (DTW) M
Korean Air KE 3047 Non-stop Boeing 737-900 (739) 4:19 Effective 2025-05-25 through 2025-05-31
Codeshare flight, operated by Delta Air Lines.(DL 810)
The flight arrives 1 day after departure.
Tue 22:55 Seattle-Tacoma (SEA) 06:16 Detroit (DTW) M
Korean Air KE 3047 Non-stop Airbus A321 (321) 4:21 Operates only on 2025-05-27
Codeshare flight, operated by Delta Air Lines.(DL 810)
The flight arrives 1 day after departure.
Tue,Wed,Sat 22:55 Seattle-Tacoma (SEA) 06:14 Detroit (DTW) M
Korean Air KE 3047 Non-stop Boeing 737-900 (739) 4:19 Effective 2025-06-03 through 2025-06-07
Codeshare flight, operated by Delta Air Lines.(DL 810)
The flight arrives 1 day after departure.
Daily 23:05 Seattle-Tacoma (SEA) 06:28 Detroit (DTW) M
Korean Air KE 3047 Non-stop Airbus A321 (321) 4:23 Effective from 2026-01-06
Codeshare flight, operated by Delta Air Lines.(DL 810)
The flight arrives 1 day after departure.
Thu,Sat,Sun 21:45 Seattle-Tacoma (SEA) 05:11 Detroit (DTW) E
Finnair AY 4579 Non-stop Boeing 737 (73J) 4:26 Effective 2025-05-03 through 2025-05-11
Codeshare flight, operated by Alaska Airlines.(AS 380)
The flight arrives 1 day after departure.
Mon,Wed 21:45 Seattle-Tacoma (SEA) 05:11 Detroit (DTW) E
Finnair AY 4579 Non-stop Boeing 737 MAX 9 (7M9) 4:26 Effective 2025-05-05 through 2025-05-12
Codeshare flight, operated by Alaska Airlines.(AS 380)
The flight arrives 1 day after departure.
Wed 21:45 Seattle-Tacoma (SEA) 05:11 Detroit (DTW) E
Finnair AY 4579 Non-stop Boeing 737 (73J) 4:26 Operates only on 2025-05-14
Codeshare flight, operated by Alaska Airlines.(AS 670)
The flight arrives 1 day after departure.
Mon,Wed,Thu,Sat,Sun 21:45 Seattle-Tacoma (SEA) 05:14 Detroit (DTW) E
Finnair AY 4579 Non-stop Boeing 737 (73J) 4:29 Effective 2025-05-15 through 2025-05-26
Codeshare flight, operated by Alaska Airlines.(AS 401)
The flight arrives 1 day after departure.
Wed 21:45 Seattle-Tacoma (SEA) 05:14 Detroit (DTW) E
Finnair AY 4579 Non-stop Boeing 737 MAX 9 (7M9) 4:29 Operates only on 2025-05-28
Codeshare flight, operated by Alaska Airlines.(AS 401)
The flight arrives 1 day after departure.
Thu 21:45 Seattle-Tacoma (SEA) 05:14 Detroit (DTW) E
Finnair AY 4579 Non-stop Boeing 737-800 (73H) 4:29 Operates only on 2025-05-29
Codeshare flight, operated by Alaska Airlines.(AS 401)
The flight arrives 1 day after departure.
Mon,Wed,Thu,Sat,Sun 21:45 Seattle-Tacoma (SEA) 05:14 Detroit (DTW) E
Finnair AY 4579 Non-stop Boeing 737 (73J) 4:29 Effective 2025-05-31 through 2025-06-11
Codeshare flight, operated by Alaska Airlines.(AS 401)
The flight arrives 1 day after departure.
Mon,Wed,Thu 21:45 Seattle-Tacoma (SEA) 05:03 Detroit (DTW) E
Finnair AY 4579 Non-stop Boeing 737 (73J) 4:18 Effective 2025-06-12 through 2025-07-03
Codeshare flight, operated by Alaska Airlines.(AS 380)
The flight arrives 1 day after departure.
Sun 21:45 Seattle-Tacoma (SEA) 05:03 Detroit (DTW) E
Finnair AY 4579 Non-stop Boeing 737 MAX 9 (7M9) 4:18 Effective 2025-06-15 through 2025-06-29
Codeshare flight, operated by Alaska Airlines.(AS 380)
The flight arrives 1 day after departure.
Mon,Wed,Thu,Sun 21:45 Seattle-Tacoma (SEA) 05:03 Detroit (DTW) E
Finnair AY 4579 Non-stop Boeing 737 (73J) 4:18 Effective 2025-07-06 through 2025-07-14
Codeshare flight, operated by Alaska Airlines.(AS 380)
The flight arrives 1 day after departure.
Wed 21:45 Seattle-Tacoma (SEA) 05:03 Detroit (DTW) E
Finnair AY 4579 Non-stop Boeing 737 MAX 8 (7M8) 4:18 Effective 2025-07-16 through 2025-08-13
Codeshare flight, operated by Alaska Airlines.(AS 380)
The flight arrives 1 day after departure.
Mon,Thu 21:45 Seattle-Tacoma (SEA) 05:03 Detroit (DTW) E
Finnair AY 4579 Non-stop Boeing 737 (73J) 4:18 Effective 2025-07-17 through 2025-07-24
Codeshare flight, operated by Alaska Airlines.(AS 380)
The flight arrives 1 day after departure.
Sun 21:45 Seattle-Tacoma (SEA) 05:03 Detroit (DTW) E
Finnair AY 4579 Non-stop Boeing 737 MAX 9 (7M9) 4:18 Operates only on 2025-07-20
Codeshare flight, operated by Alaska Airlines.(AS 380)
The flight arrives 1 day after departure.
Mon,Thu,Sun 21:45 Seattle-Tacoma (SEA) 05:03 Detroit (DTW) E
Finnair AY 4579 Non-stop Boeing 737 (73J) 4:18 Effective 2025-07-27 through 2025-07-31
Codeshare flight, operated by Alaska Airlines.(AS 380)
The flight arrives 1 day after departure.
Sun 21:45 Seattle-Tacoma (SEA) 05:03 Detroit (DTW) E
Finnair AY 4579 Non-stop Boeing 737 MAX 9 (7M9) 4:18 Operates only on 2025-08-03
Codeshare flight, operated by Alaska Airlines.(AS 380)
The flight arrives 1 day after departure.
Mon,Thu,Sun 21:45 Seattle-Tacoma (SEA) 05:03 Detroit (DTW) E
Finnair AY 4579 Non-stop Boeing 737 (73J) 4:18 Effective 2025-08-04 through 2025-08-17
Codeshare flight, operated by Alaska Airlines.(AS 380)
The flight arrives 1 day after departure.
Mon 21:45 Seattle-Tacoma (SEA) 05:03 Detroit (DTW) E
Finnair AY 4579 Non-stop Boeing 737 MAX 9 (7M9) 4:18 Operates only on 2025-08-18
Codeshare flight, operated by Alaska Airlines.(AS 380)
The flight arrives 1 day after departure.
Wed,Thu 21:45 Seattle-Tacoma (SEA) 05:09 Detroit (DTW) E
Finnair AY 4579 Non-stop Boeing 737 (73J) 4:24 Effective 2025-08-20 through 2025-08-21
Codeshare flight, operated by Alaska Airlines.(AS 380)
The flight arrives 1 day after departure.
Daily 11:45 Seattle-Tacoma (SEA) 19:09 Detroit (DTW) M
Air France AF 5623 Non-stop Boeing 737-900 (739) 4:24 Effective 2025-09-09 through 2025-12-19
Codeshare flight, operated by Delta Air Lines.(DL 758)
Daily 11:45 Seattle-Tacoma (SEA) 19:11 Detroit (DTW) M
Air France AF 5623 Non-stop Airbus A321 (321) 4:26 Effective 2025-12-21 through 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 1706)
Tue,Sat 06:05 Seattle-Tacoma (SEA) 13:15 Detroit (DTW) M
KLM KL 5845 Non-stop Boeing 737-900 (739) 4:10 Valid until 2025-05-06
Codeshare flight, operated by Delta Air Lines.(DL 812)
Daily 09:50 Seattle-Tacoma (SEA) 17:19 Detroit (DTW) M
KLM KL 5845 Non-stop Airbus A321 (321) 4:29 Effective 2025-05-07 through 2025-06-07
Codeshare flight, operated by Delta Air Lines.(DL 2324)
Daily 09:50 Seattle-Tacoma (SEA) 17:10 Detroit (DTW) M
KLM KL 5845 Non-stop Boeing 737-900 (739) 4:20 Effective 2025-06-08 through 2025-07-06
Codeshare flight, operated by Delta Air Lines.(DL 2324)
Daily 09:50 Seattle-Tacoma (SEA) 17:13 Detroit (DTW) M
KLM KL 5845 Non-stop Airbus A321 (321) 4:23 Effective 2025-07-07 through 2025-08-10
Codeshare flight, operated by Delta Air Lines.(DL 2324)
Daily 09:50 Seattle-Tacoma (SEA) 17:13 Detroit (DTW) M
KLM KL 5845 Non-stop Boeing 737-900 (739) 4:23 Effective 2025-08-11 through 2025-09-07
Codeshare flight, operated by Delta Air Lines.(DL 2324)
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All airlines flying from Seattle-Tacoma (SEA) to Detroit (DTW).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air France AF2916
06:00
Seattle-Tacoma (SEA)

13:22
Detroit (DTW) M
Effective from 2026-01-06
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 812)
Duration: 4:22, non-stop
Boeing 737-900 (739)
Air France AF2916
06:05
Seattle-Tacoma (SEA)

13:15
Detroit (DTW) M
Valid until 2025-05-06
Mon
-
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 812)
Duration: 4:10, non-stop
Boeing 737-900 (739)
Korean Air KE3015
13:30
Seattle-Tacoma (SEA)

20:45
Detroit (DTW) M
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 533)
Duration: 4:15, non-stop
Boeing 737-900 (739)
Korean Air KE3015
13:35
Seattle-Tacoma (SEA)

20:49
Detroit (DTW) M
Valid until 2025-05-05
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 533)
Duration: 4:14, non-stop
Boeing 737-900 (739)
Korean Air KE3015
15:04
Seattle-Tacoma (SEA)

22:20
Detroit (DTW) M
Effective 2025-09-08 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 533)
Duration: 4:16, non-stop
Boeing 737-900 (739)
Korean Air KE3015
15:04
Seattle-Tacoma (SEA)

22:20
Detroit (DTW) M
Effective 2025-11-02 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 533)
Duration: 4:16, non-stop
Boeing 737-900 (739)
Korean Air KE3015
15:15
Seattle-Tacoma (SEA)

22:30
Detroit (DTW) M
Effective 2025-07-07 through 2025-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 533)
Duration: 4:15, non-stop
Airbus A321 (321)
Korean Air KE3015
15:15
Seattle-Tacoma (SEA)

22:30
Detroit (DTW) M
Effective 2025-08-11 through 2025-08-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 533)
Duration: 4:15, non-stop
Boeing 737-900 (739)
Korean Air KE3015
15:15
Seattle-Tacoma (SEA)

22:30
Detroit (DTW) M
Effective 2025-09-01 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 533)
Duration: 4:15, non-stop
Boeing 737-900 (739)
Korean Air KE3015
15:31
Seattle-Tacoma (SEA)

22:57
Detroit (DTW) M
Effective 2025-05-08 through 2025-05-23
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 533)
Duration: 4:26, non-stop
Airbus A321 (321)
Korean Air KE3015
15:31
Seattle-Tacoma (SEA)

22:57
Detroit (DTW) M
Effective 2025-05-26 through 2025-06-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 533)
Duration: 4:26, non-stop
Airbus A321 (321)
Korean Air KE3015
15:35
Seattle-Tacoma (SEA)

22:59
Detroit (DTW) M
Effective 2025-06-08 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 533)
Duration: 4:24, non-stop
Boeing 737-900 (739)
Korean Air KE3015
15:55
Seattle-Tacoma (SEA)

23:16
Detroit (DTW) M
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 842)
Duration: 4:21, non-stop
Boeing 737-900 (739)
Korean Air KE3015
23:05
Seattle-Tacoma (SEA)

06:24(+1)
Detroit (DTW) M
Effective 2025-08-30 through 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 810)
Duration: 4:19, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Korean Air KE3015
23:05
Seattle-Tacoma (SEA)

06:25(+1)
Detroit (DTW) M
Effective 2025-10-26 through 2025-10-31
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 810)
Duration: 4:20, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Korean Air KE3015
23:05
Seattle-Tacoma (SEA)

05:25(+1)
Detroit (DTW) M
Operates only on 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 810)
Duration: 4:20, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Korean Air KE3047
11:45
Seattle-Tacoma (SEA)

19:09
Detroit (DTW) M
Effective 2025-10-26 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 758)
Duration: 4:24, non-stop
Boeing 737-900 (739)
Korean Air KE3047
11:45
Seattle-Tacoma (SEA)

19:11
Detroit (DTW) M
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1706)
Duration: 4:26, non-stop
Airbus A321 (321)
Korean Air KE3047
22:00
Seattle-Tacoma (SEA)

05:15(+1)
Detroit (DTW) M
Valid until 2025-05-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 810)
Duration: 4:15, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Korean Air KE3047
22:55
Seattle-Tacoma (SEA)

06:09(+1)
Detroit (DTW) M
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 810)
Duration: 4:14, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Korean Air KE3047
22:55
Seattle-Tacoma (SEA)

06:14(+1)
Detroit (DTW) M
Effective 2025-05-07 through 2025-05-24
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 810)
Duration: 4:19, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Korean Air KE3047
22:55
Seattle-Tacoma (SEA)

06:14(+1)
Detroit (DTW) M
Effective 2025-05-25 through 2025-05-31
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 810)
Duration: 4:19, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Korean Air KE3047
22:55
Seattle-Tacoma (SEA)

06:16(+1)
Detroit (DTW) M
Operates only on 2025-05-27
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 810)
Duration: 4:21, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Korean Air KE3047
22:55
Seattle-Tacoma (SEA)

06:14(+1)
Detroit (DTW) M
Effective 2025-06-03 through 2025-06-07
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 810)
Duration: 4:19, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Korean Air KE3047
23:05
Seattle-Tacoma (SEA)

06:28(+1)
Detroit (DTW) M
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 810)
Duration: 4:23, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Finnair AY4579
21:45
Seattle-Tacoma (SEA)

05:11(+1)
Detroit (DTW) E
Effective 2025-05-03 through 2025-05-11
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 380)
Duration: 4:26, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Finnair AY4579
21:45
Seattle-Tacoma (SEA)

05:11(+1)
Detroit (DTW) E
Effective 2025-05-05 through 2025-05-12
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 380)
Duration: 4:26, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Finnair AY4579
21:45
Seattle-Tacoma (SEA)

05:11(+1)
Detroit (DTW) E
Operates only on 2025-05-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 670)
Duration: 4:26, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Finnair AY4579
21:45
Seattle-Tacoma (SEA)

05:14(+1)
Detroit (DTW) E
Effective 2025-05-15 through 2025-05-26
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 401)
Duration: 4:29, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Finnair AY4579
21:45
Seattle-Tacoma (SEA)

05:14(+1)
Detroit (DTW) E
Operates only on 2025-05-28
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 401)
Duration: 4:29, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Finnair AY4579
21:45
Seattle-Tacoma (SEA)

05:14(+1)
Detroit (DTW) E
Operates only on 2025-05-29
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 401)
Duration: 4:29, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Finnair AY4579
21:45
Seattle-Tacoma (SEA)

05:14(+1)
Detroit (DTW) E
Effective 2025-05-31 through 2025-06-11
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 401)
Duration: 4:29, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Finnair AY4579
21:45
Seattle-Tacoma (SEA)

05:03(+1)
Detroit (DTW) E
Effective 2025-06-12 through 2025-07-03
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 380)
Duration: 4:18, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Finnair AY4579
21:45
Seattle-Tacoma (SEA)

05:03(+1)
Detroit (DTW) E
Effective 2025-06-15 through 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 380)
Duration: 4:18, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Finnair AY4579
21:45
Seattle-Tacoma (SEA)

05:03(+1)
Detroit (DTW) E
Effective 2025-07-06 through 2025-07-14
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 380)
Duration: 4:18, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Finnair AY4579
21:45
Seattle-Tacoma (SEA)

05:03(+1)
Detroit (DTW) E
Effective 2025-07-16 through 2025-08-13
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 380)
Duration: 4:18, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Finnair AY4579
21:45
Seattle-Tacoma (SEA)

05:03(+1)
Detroit (DTW) E
Effective 2025-07-17 through 2025-07-24
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 380)
Duration: 4:18, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Finnair AY4579
21:45
Seattle-Tacoma (SEA)

05:03(+1)
Detroit (DTW) E
Operates only on 2025-07-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 380)
Duration: 4:18, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Finnair AY4579
21:45
Seattle-Tacoma (SEA)

05:03(+1)
Detroit (DTW) E
Effective 2025-07-27 through 2025-07-31
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 380)
Duration: 4:18, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Finnair AY4579
21:45
Seattle-Tacoma (SEA)

05:03(+1)
Detroit (DTW) E
Operates only on 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 380)
Duration: 4:18, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Finnair AY4579
21:45
Seattle-Tacoma (SEA)

05:03(+1)
Detroit (DTW) E
Effective 2025-08-04 through 2025-08-17
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 380)
Duration: 4:18, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Finnair AY4579
21:45
Seattle-Tacoma (SEA)

05:03(+1)
Detroit (DTW) E
Operates only on 2025-08-18
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 380)
Duration: 4:18, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Finnair AY4579
21:45
Seattle-Tacoma (SEA)

05:09(+1)
Detroit (DTW) E
Effective 2025-08-20 through 2025-08-21
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 380)
Duration: 4:24, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Air France AF5623
11:45
Seattle-Tacoma (SEA)

19:09
Detroit (DTW) M
Effective 2025-09-09 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 758)
Duration: 4:24, non-stop
Boeing 737-900 (739)
Air France AF5623
11:45
Seattle-Tacoma (SEA)

19:11
Detroit (DTW) M
Effective 2025-12-21 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1706)
Duration: 4:26, non-stop
Airbus A321 (321)
KLM KL5845
06:05
Seattle-Tacoma (SEA)

13:15
Detroit (DTW) M
Valid until 2025-05-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 812)
Duration: 4:10, non-stop
Boeing 737-900 (739)
KLM KL5845
09:50
Seattle-Tacoma (SEA)

17:19
Detroit (DTW) M
Effective 2025-05-07 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2324)
Duration: 4:29, non-stop
Airbus A321 (321)
KLM KL5845
09:50
Seattle-Tacoma (SEA)

17:10
Detroit (DTW) M
Effective 2025-06-08 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2324)
Duration: 4:20, non-stop
Boeing 737-900 (739)
KLM KL5845
09:50
Seattle-Tacoma (SEA)

17:13
Detroit (DTW) M
Effective 2025-07-07 through 2025-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2324)
Duration: 4:23, non-stop
Airbus A321 (321)
KLM KL5845
09:50
Seattle-Tacoma (SEA)

17:13
Detroit (DTW) M
Effective 2025-08-11 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2324)
Duration: 4:23, non-stop
Boeing 737-900 (739)
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  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Detroit airport (DTW).
  • The flight distance is 1921 miles, or 3091 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . 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 4:10 and 4:30.
Return (DTW-SEA) flights
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