KLM flights from Seattle-Tacoma (SEA) to Detroit (DTW).

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 11:45 Seattle-Tacoma (SEA) 19:10 Detroit (DTW) M
KLM KL 6511 Non-stop Boeing 737-900 (739) 4:25 Effective from 2026-10-25
Codeshare flight, operated by Delta Air Lines.(DL 1706)
Daily 09:40 Seattle-Tacoma (SEA) 17:08 Detroit (DTW) M
KLM KL 7397 Non-stop Airbus A321 (321) 4:28 Effective 2026-05-07 through 2026-09-09
Codeshare flight, operated by Delta Air Lines.(DL 2324)
Daily 09:40 Seattle-Tacoma (SEA) 17:01 Detroit (DTW) M
KLM KL 7397 Non-stop Boeing 737-900 (739) 4:21 Effective 2026-09-10 through 2026-10-04
Codeshare flight, operated by Delta Air Lines.(DL 2324)
Sat 09:52 Seattle-Tacoma (SEA) 17:07 Detroit (DTW) M
KLM KL 7397 Non-stop Boeing 737-900 (739) 4:15 Effective 2026-04-04 through 2026-04-11
Codeshare flight, operated by Delta Air Lines.(DL 1706)
Sat 09:55 Seattle-Tacoma (SEA) 17:23 Detroit (DTW) M
KLM KL 7397 Non-stop Boeing 737-900 (739) 4:28 Effective 2026-04-18 through 2026-05-02
Codeshare flight, operated by Delta Air Lines.(DL 1706)
Mon-Fri,Sun 13:30 Seattle-Tacoma (SEA) 20:45 Detroit (DTW) M
KLM KL 7397 Non-stop Boeing 737-900 (739) 4:15 Effective 2026-03-29 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 533)
Mon-Fri,Sun 13:30 Seattle-Tacoma (SEA) 20:45 Detroit (DTW) M
KLM KL 7397 Non-stop Airbus A321 (321) 4:15 Effective 2026-04-13 through 2026-05-06
Codeshare flight, operated by Delta Air Lines.(DL 533)
Mon,Tue,Thu,Sat,Sun 06:00 Seattle-Tacoma (SEA) 13:11 Detroit (DTW) M
KLM KL 7426 Non-stop Boeing 737-900 (739) 4:11 Effective 2026-02-12 through 2026-02-22
Codeshare flight, operated by Delta Air Lines.(DL 812)
Mon,Tue,Thu,Sat,Sun 06:00 Seattle-Tacoma (SEA) 13:11 Detroit (DTW) M
KLM KL 7426 Non-stop Boeing 737-900 (739) 4:11 Effective 2026-02-24 through 2026-03-03
Codeshare flight, operated by Delta Air Lines.(DL 812)
Wed-Sat 06:00 Seattle-Tacoma (SEA) 13:11 Detroit (DTW) M
KLM KL 7426 Non-stop Boeing 737-900 (739) 4:11 Effective 2026-03-04 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 812)
Mon-Fri,Sun 06:05 Seattle-Tacoma (SEA) 13:21 Detroit (DTW) M
KLM KL 7426 Non-stop Boeing 737-900 (739) 4:16 Effective 2026-01-05 through 2026-01-20
Codeshare flight, operated by Delta Air Lines.(DL 812)
Sat 06:05 Seattle-Tacoma (SEA) 13:20 Detroit (DTW) M
KLM KL 7426 Non-stop Boeing 737-900 (739) 4:15 Effective 2026-01-10 through 2026-01-17
Codeshare flight, operated by Delta Air Lines.(DL 812)
Mon,Tue,Thu,Sat,Sun 06:05 Seattle-Tacoma (SEA) 13:21 Detroit (DTW) M
KLM KL 7426 Non-stop Boeing 737-900 (739) 4:16 Effective 2026-01-22 through 2026-02-10
Codeshare flight, operated by Delta Air Lines.(DL 812)
Tue,Thu,Sat 09:52 Seattle-Tacoma (SEA) 17:06 Detroit (DTW) M
KLM KL 7426 Non-stop Boeing 737-900 (739) 4:14 Effective 2026-03-10 through 2026-03-14
Codeshare flight, operated by Delta Air Lines.(DL 1706)
Tue,Thu,Sat 09:52 Seattle-Tacoma (SEA) 17:07 Detroit (DTW) M
KLM KL 7426 Non-stop Boeing 737-900 (739) 4:15 Effective 2026-03-17 through 2026-03-26
Codeshare flight, operated by Delta Air Lines.(DL 1706)
Daily 11:45 Seattle-Tacoma (SEA) 19:08 Detroit (DTW) M
KLM KL 7426 Non-stop Boeing 737-900 (739) 4:23 Valid until 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 1706)
Mon,Wed,Fri,Sun 13:30 Seattle-Tacoma (SEA) 20:45 Detroit (DTW) M
KLM KL 7426 Non-stop Boeing 737-900 (739) 4:15 Effective 2026-03-08 through 2026-03-27
Codeshare flight, operated by Delta Air Lines.(DL 533)
Mon-Fri,Sun 09:52 Seattle-Tacoma (SEA) 17:07 Detroit (DTW) M
KLM KL 7550 Non-stop Boeing 737-900 (739) 4:15 Effective 2026-03-29 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 1706)
Mon-Fri,Sun 09:55 Seattle-Tacoma (SEA) 17:23 Detroit (DTW) M
KLM KL 7550 Non-stop Boeing 737-900 (739) 4:28 Effective 2026-04-13 through 2026-05-06
Codeshare flight, operated by Delta Air Lines.(DL 1706)
Tue,Thu,Sat 08:30 Seattle-Tacoma (SEA) 15:50 Detroit (DTW) M
KLM KL 7571 Non-stop Airbus A321 (321) 4:20 Effective 2026-02-12 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 302)
Sat 09:52 Seattle-Tacoma (SEA) 17:07 Detroit (DTW) M
KLM KL 7571 Non-stop Boeing 737-900 (739) 4:15 Operates only on 2026-03-28
Codeshare flight, operated by Delta Air Lines.(DL 1706)
Tue,Thu 13:30 Seattle-Tacoma (SEA) 20:45 Detroit (DTW) M
KLM KL 7571 Non-stop Boeing 737-900 (739) 4:15 Effective 2026-03-10 through 2026-03-26
Codeshare flight, operated by Delta Air Lines.(DL 533)
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KLM flights from Seattle-Tacoma (SEA) to Detroit (DTW).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
KLM KL6511
11:45
Seattle-Tacoma (SEA)

19:10
Detroit (DTW) M
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1706)
Duration: 4:25, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL7397
09:40
Seattle-Tacoma (SEA)

17:08
Detroit (DTW) M
Effective 2026-05-07 through 2026-09-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2324)
Duration: 4:28, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
KLM KL7397
09:40
Seattle-Tacoma (SEA)

17:01
Detroit (DTW) M
Effective 2026-09-10 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2324)
Duration: 4:21, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL7397
09:52
Seattle-Tacoma (SEA)

17:07
Detroit (DTW) M
Effective 2026-04-04 through 2026-04-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1706)
Duration: 4:15, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL7397
09:55
Seattle-Tacoma (SEA)

17:23
Detroit (DTW) M
Effective 2026-04-18 through 2026-05-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1706)
Duration: 4:28, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL7397
13:30
Seattle-Tacoma (SEA)

20:45
Detroit (DTW) M
Effective 2026-03-29 through 2026-04-12
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)
Direct Codeshare Flights:
KLM KL7397
13:30
Seattle-Tacoma (SEA)

20:45
Detroit (DTW) M
Effective 2026-04-13 through 2026-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 533)
Duration: 4:15, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
KLM KL7426
06:00
Seattle-Tacoma (SEA)

13:11
Detroit (DTW) M
Effective 2026-02-12 through 2026-02-22
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 812)
Duration: 4:11, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL7426
06:00
Seattle-Tacoma (SEA)

13:11
Detroit (DTW) M
Effective 2026-02-24 through 2026-03-03
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 812)
Duration: 4:11, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL7426
06:00
Seattle-Tacoma (SEA)

13:11
Detroit (DTW) M
Effective 2026-03-04 through 2026-03-07
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 812)
Duration: 4:11, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL7426
06:05
Seattle-Tacoma (SEA)

13:21
Detroit (DTW) M
Effective 2026-01-05 through 2026-01-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 812)
Duration: 4:16, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL7426
06:05
Seattle-Tacoma (SEA)

13:20
Detroit (DTW) M
Effective 2026-01-10 through 2026-01-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 812)
Duration: 4:15, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL7426
06:05
Seattle-Tacoma (SEA)

13:21
Detroit (DTW) M
Effective 2026-01-22 through 2026-02-10
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 812)
Duration: 4:16, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL7426
09:52
Seattle-Tacoma (SEA)

17:06
Detroit (DTW) M
Effective 2026-03-10 through 2026-03-14
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1706)
Duration: 4:14, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL7426
09:52
Seattle-Tacoma (SEA)

17:07
Detroit (DTW) M
Effective 2026-03-17 through 2026-03-26
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1706)
Duration: 4:15, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL7426
11:45
Seattle-Tacoma (SEA)

19:08
Detroit (DTW) M
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1706)
Duration: 4:23, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL7426
13:30
Seattle-Tacoma (SEA)

20:45
Detroit (DTW) M
Effective 2026-03-08 through 2026-03-27
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)
Direct Codeshare Flights:
KLM KL7550
09:52
Seattle-Tacoma (SEA)

17:07
Detroit (DTW) M
Effective 2026-03-29 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1706)
Duration: 4:15, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL7550
09:55
Seattle-Tacoma (SEA)

17:23
Detroit (DTW) M
Effective 2026-04-13 through 2026-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1706)
Duration: 4:28, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL7571
08:30
Seattle-Tacoma (SEA)

15:50
Detroit (DTW) M
Effective 2026-02-12 through 2026-03-07
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 302)
Duration: 4:20, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
KLM KL7571
09:52
Seattle-Tacoma (SEA)

17:07
Detroit (DTW) M
Operates only on 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1706)
Duration: 4:15, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL7571
13:30
Seattle-Tacoma (SEA)

20:45
Detroit (DTW) M
Effective 2026-03-10 through 2026-03-26
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)
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Parallax here SEA-DTW
  • 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 4:11 and 4:28.
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