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

FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 11:45 Seattle-Tacoma (SEA) 19:10 Detroit (DTW) M Korean Air KE 3015 Non-stop Boeing 737-900 (739) 4:25 Effective from 2026-10-25 Codeshare flight, operated by Delta Air Lines.(DL 1706)
Daily 13:30 Seattle-Tacoma (SEA) 20:45 Detroit (DTW) M Korean Air KE 3015 Non-stop Boeing 737-900 (739) 4:15 Effective 2026-01-05 through 2026-01-23 Codeshare flight, operated by Delta Air Lines.(DL 533)
Sat 13:30 Seattle-Tacoma (SEA) 20:45 Detroit (DTW) M Korean Air KE 3015 Non-stop Airbus A321neo (32Q) 4:15 Effective 2026-01-24 through 2026-02-07 Codeshare flight, operated by Delta Air Lines.(DL 533)
Mon-Fri,Sun 13:30 Seattle-Tacoma (SEA) 20:45 Detroit (DTW) M Korean Air KE 3015 Non-stop Boeing 737-900 (739) 4:15 Effective 2026-01-25 through 2026-02-13 Codeshare flight, operated by Delta Air Lines.(DL 533)
Daily 13:30 Seattle-Tacoma (SEA) 20:45 Detroit (DTW) M Korean Air KE 3015 Non-stop Boeing 737-900 (739) 4:15 Effective 2026-02-14 through 2026-02-20 Codeshare flight, operated by Delta Air Lines.(DL 533)
Mon-Fri,Sun 13:30 Seattle-Tacoma (SEA) 20:45 Detroit (DTW) M Korean Air KE 3015 Non-stop Boeing 737-900 (739) 4:15 Effective 2026-02-22 through 2026-03-06 Codeshare flight, operated by Delta Air Lines.(DL 533)
Mon-Fri,Sun 13:30 Seattle-Tacoma (SEA) 20:45 Detroit (DTW) M Korean Air KE 3015 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 Korean Air KE 3015 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-Fri,Sun 15:40 Seattle-Tacoma (SEA) 22:57 Detroit (DTW) M Korean Air KE 3015 Non-stop Airbus A321 (321) 4:17 Effective 2026-05-07 through 2026-05-22 Codeshare flight, operated by Delta Air Lines.(DL 533)
Mon-Fri,Sun 15:40 Seattle-Tacoma (SEA) 22:57 Detroit (DTW) M Korean Air KE 3015 Non-stop Airbus A321 (321) 4:17 Effective 2026-05-25 through 2026-06-12 Codeshare flight, operated by Delta Air Lines.(DL 533)
Daily 15:40 Seattle-Tacoma (SEA) 22:57 Detroit (DTW) M Korean Air KE 3015 Non-stop Airbus A321 (321) 4:17 Effective 2026-06-13 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 533)
Daily 15:40 Seattle-Tacoma (SEA) 23:03 Detroit (DTW) M Korean Air KE 3015 Non-stop Airbus A321 (321) 4:23 Effective 2026-10-06 through 2026-10-24 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 Valid until 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 842)
Daily 23:12 Seattle-Tacoma (SEA) 06:23 Detroit (DTW) M Korean Air KE 3015 Non-stop Boeing 737-900 (739) 4:11 Effective 2026-03-08 through 2026-03-14 Codeshare flight, operated by Delta Air Lines.(DL 810) The flight arrives 1 day after departure.
Daily 23:12 Seattle-Tacoma (SEA) 06:24 Detroit (DTW) M Korean Air KE 3015 Non-stop Boeing 737-900 (739) 4:12 Effective 2026-03-15 through 2026-03-28 Codeshare flight, operated by Delta Air Lines.(DL 810) The flight arrives 1 day after departure.
Daily 11:45 Seattle-Tacoma (SEA) 19:08 Detroit (DTW) M Korean Air KE 3047 Non-stop Boeing 737-900 (739) 4:23 Valid until 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 1706)
Mon-Fri,Sun 13:30 Seattle-Tacoma (SEA) 20:45 Detroit (DTW) M Korean Air KE 3047 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)
Daily 15:40 Seattle-Tacoma (SEA) 23:03 Detroit (DTW) M Korean Air KE 3047 Non-stop Airbus A321 (321) 4:23 Effective from 2026-10-25 Codeshare flight, operated by Delta Air Lines.(DL 533)
Daily 23:05 Seattle-Tacoma (SEA) 06:27 Detroit (DTW) M Korean Air KE 3047 Non-stop Airbus A321 (321) 4:22 Effective 2026-04-13 through 2026-05-06 Codeshare flight, operated by Delta Air Lines.(DL 810) The flight arrives 1 day after departure.
Sat 23:05 Seattle-Tacoma (SEA) 06:27 Detroit (DTW) M Korean Air KE 3047 Non-stop Airbus A321 (321) 4:22 Effective 2026-05-09 through 2026-05-23 Codeshare flight, operated by Delta Air Lines.(DL 810) The flight arrives 1 day after departure.
Sat,Sun 23:05 Seattle-Tacoma (SEA) 06:27 Detroit (DTW) M Korean Air KE 3047 Non-stop Airbus A321 (321) 4:22 Effective 2026-05-24 through 2026-05-30 Codeshare flight, operated by Delta Air Lines.(DL 810) The flight arrives 1 day after departure.
Sat 23:05 Seattle-Tacoma (SEA) 06:27 Detroit (DTW) M Korean Air KE 3047 Non-stop Airbus A321 (321) 4:22 Operates only on 2026-06-06 Codeshare flight, operated by Delta Air Lines.(DL 810) The flight arrives 1 day after departure.
Daily 23:10 Seattle-Tacoma (SEA) 06:30 Detroit (DTW) M Korean Air KE 3047 Non-stop Airbus A321neo (32Q) 4:20 Effective 2026-01-05 through 2026-02-11 Codeshare flight, operated by Delta Air Lines.(DL 810) The flight arrives 1 day after departure.
Thu,Fri 23:10 Seattle-Tacoma (SEA) 06:29 Detroit (DTW) M Korean Air KE 3047 Non-stop Boeing 737-900 (739) 4:19 Effective 2026-02-12 through 2026-02-13 Codeshare flight, operated by Delta Air Lines.(DL 810) The flight arrives 1 day after departure.
Sat 23:10 Seattle-Tacoma (SEA) 06:29 Detroit (DTW) M Korean Air KE 3047 Non-stop Boeing 737-900 (739) 4:19 Effective 2026-02-21 through 2026-02-28 Codeshare flight, operated by Delta Air Lines.(DL 810) The flight arrives 1 day after departure.
Mon-Fri,Sun 23:15 Seattle-Tacoma (SEA) 06:30 Detroit (DTW) M Korean Air KE 3047 Non-stop Boeing 737-900 (739) 4:15 Effective 2026-02-16 through 2026-03-06 Codeshare flight, operated by Delta Air Lines.(DL 810) The flight arrives 1 day after departure.
Sat 23:17 Seattle-Tacoma (SEA) 07:36 Detroit (DTW) M Korean Air KE 3047 Non-stop Boeing 737-900 (739) 4:19 Operates only on 2026-03-07 Codeshare flight, operated by Delta Air Lines.(DL 810) The flight arrives 1 day after departure.

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 4:25.

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FLIGHT SCHEDULE

Direct Codeshare Flights:

Korean Air KE3015

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:

Korean Air KE3015

13:30

Seattle-Tacoma (SEA)

20:45

Detroit (DTW) M

Effective 2026-01-05 through 2026-01-23

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:

Korean Air KE3015

13:30

Seattle-Tacoma (SEA)

20:45

Detroit (DTW) M

Effective 2026-01-24 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 533)

Duration: 4:15, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Korean Air KE3015

13:30

Seattle-Tacoma (SEA)

20:45

Detroit (DTW) M

Effective 2026-01-25 through 2026-02-13

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:

Korean Air KE3015

13:30

Seattle-Tacoma (SEA)

20:45

Detroit (DTW) M

Effective 2026-02-14 through 2026-02-20

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:

Korean Air KE3015

13:30

Seattle-Tacoma (SEA)

20:45

Detroit (DTW) M

Effective 2026-02-22 through 2026-03-06

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)

Direct Codeshare Flights:

Korean Air KE3015

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:

Korean Air KE3015

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:

Korean Air KE3015

15:40

Seattle-Tacoma (SEA)

22:57

Detroit (DTW) M

Effective 2026-05-07 through 2026-05-22

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 533)

Duration: 4:17, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Korean Air KE3015

15:40

Seattle-Tacoma (SEA)

22:57

Detroit (DTW) M

Effective 2026-05-25 through 2026-06-12

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 533)

Duration: 4:17, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Korean Air KE3015

15:40

Seattle-Tacoma (SEA)

22:57

Detroit (DTW) M

Effective 2026-06-13 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 533)

Duration: 4:17, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Korean Air KE3015

15:40

Seattle-Tacoma (SEA)

23:03

Detroit (DTW) M

Effective 2026-10-06 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 533)

Duration: 4:23, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Korean Air KE3015

15:55

Seattle-Tacoma (SEA)

23:16

Detroit (DTW) M

Valid until 2026-01-04

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)

Direct Codeshare Flights:

Korean Air KE3015

23:12

Seattle-Tacoma (SEA)

06:23(+1)

Detroit (DTW) M

Effective 2026-03-08 through 2026-03-14

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 810)

Duration: 4:11, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Korean Air KE3015

23:12

Seattle-Tacoma (SEA)

06:24(+1)

Detroit (DTW) M

Effective 2026-03-15 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 810)

Duration: 4:12, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Korean Air KE3047

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:

Korean Air KE3047

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:

Korean Air KE3047

15:40

Seattle-Tacoma (SEA)

23:03

Detroit (DTW) M

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 533)

Duration: 4:23, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Korean Air KE3047

23:05

Seattle-Tacoma (SEA)

06:27(+1)

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 810)

Duration: 4:22, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Korean Air KE3047

23:05

Seattle-Tacoma (SEA)

06:27(+1)

Detroit (DTW) M

Effective 2026-05-09 through 2026-05-23

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 810)

Duration: 4:22, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Korean Air KE3047

23:05

Seattle-Tacoma (SEA)

06:27(+1)

Detroit (DTW) M

Effective 2026-05-24 through 2026-05-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 810)

Duration: 4:22, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Korean Air KE3047

23:05

Seattle-Tacoma (SEA)

06:27(+1)

Detroit (DTW) M

Operates only on 2026-06-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 810)

Duration: 4:22, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Korean Air KE3047

23:10

Seattle-Tacoma (SEA)

06:30(+1)

Detroit (DTW) M

Effective 2026-01-05 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 810)

Duration: 4:20, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Korean Air KE3047

23:10

Seattle-Tacoma (SEA)

06:29(+1)

Detroit (DTW) M

Effective 2026-02-12 through 2026-02-13

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.

Direct Codeshare Flights:

Korean Air KE3047

23:10

Seattle-Tacoma (SEA)

06:29(+1)

Detroit (DTW) M

Effective 2026-02-21 through 2026-02-28

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.

Direct Codeshare Flights:

Korean Air KE3047

23:15

Seattle-Tacoma (SEA)

06:30(+1)

Detroit (DTW) M

Effective 2026-02-16 through 2026-03-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 810)

Duration: 4:15, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Korean Air KE3047

23:17

Seattle-Tacoma (SEA)

07:36(+1)

Detroit (DTW) M

Operates only on 2026-03-07

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.

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 4:25.

All SEA-DTW flights

All Korean Air flights

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