All airlines flying from Midway, Chicago (MDW) to Seattle-Tacoma (SEA).

FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 15:15 Midway, Chicago (MDW) 17:45 Seattle-Tacoma (SEA) Southwest Airlines WN 223 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2025-06-10 through 2025-07-30
Fri 19:05 Midway, Chicago (MDW) 21:35 Seattle-Tacoma (SEA) Southwest Airlines WN 223 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Operates only on 2025-07-04
Mon,Thu,Fri 22:15 Midway, Chicago (MDW) 00:50 Seattle-Tacoma (SEA) Southwest Airlines WN 223 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2025-06-05 through 2025-07-03 The flight arrives 1 day after departure.
Mon,Thu,Fri 22:15 Midway, Chicago (MDW) 00:50 Seattle-Tacoma (SEA) Southwest Airlines WN 223 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2025-07-07 through 2025-08-04 The flight arrives 1 day after departure.
Mon,Thu,Fri 14:20 Midway, Chicago (MDW) 16:45 Seattle-Tacoma (SEA) Southwest Airlines WN 311 Non-stop Boeing 737-700 (73W) 4:25 Effective 2025-08-07 through 2025-09-29
Sat 19:00 Midway, Chicago (MDW) 21:35 Seattle-Tacoma (SEA) Southwest Airlines WN 429 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2025-11-22 through 2025-11-29
Sat 19:00 Midway, Chicago (MDW) 21:35 Seattle-Tacoma (SEA) Southwest Airlines WN 429 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2025-12-20 through 2026-01-03
Mon,Thu,Fri 12:25 Midway, Chicago (MDW) 15:00 Seattle-Tacoma (SEA) Southwest Airlines WN 445 Non-stop Boeing 737-700 (Scimitar Winglets) 4:35 Effective 2025-10-02 through 2025-10-31
Sun 14:50 Midway, Chicago (MDW) 17:15 Seattle-Tacoma (SEA) Southwest Airlines WN 519 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Operates only on 2025-08-31
Mon,Thu,Fri 11:40 Midway, Chicago (MDW) 14:05 Seattle-Tacoma (SEA) Southwest Airlines WN 1129 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Valid until 2025-06-02
Mon,Thu,Fri 07:55 Midway, Chicago (MDW) 10:20 Seattle-Tacoma (SEA) Southwest Airlines WN 1141 Non-stop Boeing 737-700 (73W) 4:25 Effective 2025-08-07 through 2025-09-29
Sun 08:15 Midway, Chicago (MDW) 10:40 Seattle-Tacoma (SEA) Southwest Airlines WN 1141 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Effective 2025-08-10 through 2025-08-24
Sun 08:15 Midway, Chicago (MDW) 10:40 Seattle-Tacoma (SEA) Southwest Airlines WN 1141 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Effective 2025-09-07 through 2025-09-28
Sat 08:25 Midway, Chicago (MDW) 10:55 Seattle-Tacoma (SEA) Southwest Airlines WN 1141 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2025-08-09 through 2025-09-27
Tue,Wed 12:55 Midway, Chicago (MDW) 15:20 Seattle-Tacoma (SEA) Southwest Airlines WN 1141 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Effective 2025-08-05 through 2025-10-01
Sun 11:35 Midway, Chicago (MDW) 14:00 Seattle-Tacoma (SEA) Southwest Airlines WN 1206 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Valid until 2025-05-18
Sun 11:35 Midway, Chicago (MDW) 14:00 Seattle-Tacoma (SEA) Southwest Airlines WN 1206 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Operates only on 2025-06-01
Sat 13:40 Midway, Chicago (MDW) 16:05 Seattle-Tacoma (SEA) Southwest Airlines WN 1206 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Valid until 2025-05-31
Sun 21:00 Midway, Chicago (MDW) 23:30 Seattle-Tacoma (SEA) Southwest Airlines WN 1206 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Operates only on 2025-05-25
Tue,Wed 08:40 Midway, Chicago (MDW) 11:10 Seattle-Tacoma (SEA) Southwest Airlines WN 1401 Non-stop Boeing 737-700 (73W) 4:30 Effective 2025-08-05 through 2025-10-01
Sat 17:25 Midway, Chicago (MDW) 19:55 Seattle-Tacoma (SEA) Southwest Airlines WN 1401 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2025-08-09 through 2025-09-27
Mon,Thu,Fri 21:35 Midway, Chicago (MDW) 00:05 Seattle-Tacoma (SEA) Southwest Airlines WN 1401 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2025-08-07 through 2025-09-29 The flight arrives 1 day after departure.
Mon,Thu,Fri 16:45 Midway, Chicago (MDW) 19:15 Seattle-Tacoma (SEA) Southwest Airlines WN 1437 Non-stop Boeing 737-700 (73W) 4:30 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 16:45 Midway, Chicago (MDW) 19:15 Seattle-Tacoma (SEA) Southwest Airlines WN 1437 Non-stop Boeing 737-700 (73W) 4:30 Effective 2025-07-07 through 2025-08-04
Sat 17:05 Midway, Chicago (MDW) 19:35 Seattle-Tacoma (SEA) Southwest Airlines WN 1437 Non-stop Boeing 737-700 (73W) 4:30 Effective 2025-06-07 through 2025-08-02
Thu 08:15 Midway, Chicago (MDW) 10:55 Seattle-Tacoma (SEA) Southwest Airlines WN 1652 Non-stop Boeing 737-700 (Scimitar Winglets) 4:40 Operates only on 2025-11-27
Sun 17:20 Midway, Chicago (MDW) 19:50 Seattle-Tacoma (SEA) Southwest Airlines WN 1763 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2025-08-10 through 2025-08-24
Sun 17:20 Midway, Chicago (MDW) 19:50 Seattle-Tacoma (SEA) Southwest Airlines WN 1763 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2025-09-07 through 2025-09-28
Fri 08:20 Midway, Chicago (MDW) 10:55 Seattle-Tacoma (SEA) Southwest Airlines WN 1845 Non-stop Boeing 737-700 (73W) 4:35 Operates only on 2025-07-04
Mon,Thu,Fri 09:40 Midway, Chicago (MDW) 12:15 Seattle-Tacoma (SEA) Southwest Airlines WN 1845 Non-stop Boeing 737-700 (73W) 4:35 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 09:40 Midway, Chicago (MDW) 12:15 Seattle-Tacoma (SEA) Southwest Airlines WN 1845 Non-stop Boeing 737-700 (73W) 4:35 Effective 2025-07-07 through 2025-08-04
Sat 08:30 Midway, Chicago (MDW) 11:10 Seattle-Tacoma (SEA) Southwest Airlines WN 2144 Non-stop Boeing 737 MAX 8 (7M8) 4:40 Effective 2025-11-08 through 2025-11-15
Sat 08:30 Midway, Chicago (MDW) 11:10 Seattle-Tacoma (SEA) Southwest Airlines WN 2144 Non-stop Boeing 737 MAX 8 (7M8) 4:40 Effective 2025-12-06 through 2025-12-13
Tue,Wed 10:50 Midway, Chicago (MDW) 13:25 Seattle-Tacoma (SEA) Southwest Airlines WN 2144 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2025-11-04 through 2025-11-12
Mon-Thu 10:50 Midway, Chicago (MDW) 13:25 Seattle-Tacoma (SEA) Southwest Airlines WN 2144 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2025-11-17 through 2025-11-20
Mon-Fri 10:50 Midway, Chicago (MDW) 13:25 Seattle-Tacoma (SEA) Southwest Airlines WN 2144 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2025-12-02 through 2025-12-11
Mon-Wed 10:50 Midway, Chicago (MDW) 13:25 Seattle-Tacoma (SEA) Southwest Airlines WN 2144 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2025-12-15 through 2025-12-17
Wed,Thu 10:50 Midway, Chicago (MDW) 13:25 Seattle-Tacoma (SEA) Southwest Airlines WN 2144 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri,Sun 17:25 Midway, Chicago (MDW) 20:00 Seattle-Tacoma (SEA) Southwest Airlines WN 2144 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 17:25 Midway, Chicago (MDW) 20:00 Seattle-Tacoma (SEA) Southwest Airlines WN 2144 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2025-11-21 through 2025-11-28
Fri,Sun 17:25 Midway, Chicago (MDW) 20:00 Seattle-Tacoma (SEA) Southwest Airlines WN 2144 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2025-12-07 through 2025-12-14
Thu 17:25 Midway, Chicago (MDW) 20:00 Seattle-Tacoma (SEA) Southwest Airlines WN 2144 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Operates only on 2025-12-18
Mon 17:25 Midway, Chicago (MDW) 20:00 Seattle-Tacoma (SEA) Southwest Airlines WN 2144 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Operates only on 2026-01-05
Sun 08:10 Midway, Chicago (MDW) 10:45 Seattle-Tacoma (SEA) Southwest Airlines WN 2577 Non-stop Boeing 737-700 (73W) 4:35 Effective 2025-06-08 through 2025-08-03
Tue,Wed 07:45 Midway, Chicago (MDW) 10:15 Seattle-Tacoma (SEA) Southwest Airlines WN 2629 Non-stop Boeing 737-700 (73W) 4:30 Effective 2025-06-10 through 2025-07-30
Sat 11:10 Midway, Chicago (MDW) 13:40 Seattle-Tacoma (SEA) Southwest Airlines WN 2629 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2025-06-07 through 2025-08-02
Mon-Wed 12:40 Midway, Chicago (MDW) 15:15 Seattle-Tacoma (SEA) Southwest Airlines WN 2840 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 12:40 Midway, Chicago (MDW) 15:15 Seattle-Tacoma (SEA) Southwest Airlines WN 2840 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2025-12-19 through 2026-01-04
Tue,Wed 13:45 Midway, Chicago (MDW) 16:20 Seattle-Tacoma (SEA) Southwest Airlines WN 2956 Non-stop Boeing 737-700 (Scimitar Winglets) 4:35 Effective 2025-10-07 through 2025-10-29
Sun 20:20 Midway, Chicago (MDW) 22:50 Seattle-Tacoma (SEA) Southwest Airlines WN 3039 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Operates only on 2025-08-31

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A domestic route departing from the Midway, Chicago airport (MDW) and arriving at Seattle-Tacoma airport (SEA).
The flight distance is 1728 miles, or 2781 km.
The timezone of the departure airport is UTC-6 , 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 4:25 and 4:40.

Return (SEA-MDW) flights

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All airlines flying from Midway, Chicago (MDW) to Seattle-Tacoma (SEA).

FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN223

15:15

Midway, Chicago (MDW)

17:45

Seattle-Tacoma (SEA)

Effective 2025-06-10 through 2025-07-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN223

19:05

Midway, Chicago (MDW)

21:35

Seattle-Tacoma (SEA)

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN223

22:15

Midway, Chicago (MDW)

00:50(+1)

Seattle-Tacoma (SEA)

Effective 2025-06-05 through 2025-07-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Southwest Airlines WN223

22:15

Midway, Chicago (MDW)

00:50(+1)

Seattle-Tacoma (SEA)

Effective 2025-07-07 through 2025-08-04

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Southwest Airlines WN311

14:20

Midway, Chicago (MDW)

16:45

Seattle-Tacoma (SEA)

Effective 2025-08-07 through 2025-09-29

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:25, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN429

19:00

Midway, Chicago (MDW)

21:35

Seattle-Tacoma (SEA)

Effective 2025-11-22 through 2025-11-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN429

19:00

Midway, Chicago (MDW)

21:35

Seattle-Tacoma (SEA)

Effective 2025-12-20 through 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN445

12:25

Midway, Chicago (MDW)

15:00

Seattle-Tacoma (SEA)

Effective 2025-10-02 through 2025-10-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN519

14:50

Midway, Chicago (MDW)

17:15

Seattle-Tacoma (SEA)

Operates only on 2025-08-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1129

11:40

Midway, Chicago (MDW)

14:05

Seattle-Tacoma (SEA)

Valid until 2025-06-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1141

07:55

Midway, Chicago (MDW)

10:20

Seattle-Tacoma (SEA)

Effective 2025-08-07 through 2025-09-29

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:25, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1141

08:15

Midway, Chicago (MDW)

10:40

Seattle-Tacoma (SEA)

Effective 2025-08-10 through 2025-08-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1141

08:15

Midway, Chicago (MDW)

10:40

Seattle-Tacoma (SEA)

Effective 2025-09-07 through 2025-09-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1141

08:25

Midway, Chicago (MDW)

10:55

Seattle-Tacoma (SEA)

Effective 2025-08-09 through 2025-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1141

12:55

Midway, Chicago (MDW)

15:20

Seattle-Tacoma (SEA)

Effective 2025-08-05 through 2025-10-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1206

11:35

Midway, Chicago (MDW)

14:00

Seattle-Tacoma (SEA)

Valid until 2025-05-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1206

11:35

Midway, Chicago (MDW)

14:00

Seattle-Tacoma (SEA)

Operates only on 2025-06-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1206

13:40

Midway, Chicago (MDW)

16:05

Seattle-Tacoma (SEA)

Valid until 2025-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1206

21:00

Midway, Chicago (MDW)

23:30

Seattle-Tacoma (SEA)

Operates only on 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1401

08:40

Midway, Chicago (MDW)

11:10

Seattle-Tacoma (SEA)

Effective 2025-08-05 through 2025-10-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1401

17:25

Midway, Chicago (MDW)

19:55

Seattle-Tacoma (SEA)

Effective 2025-08-09 through 2025-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1401

21:35

Midway, Chicago (MDW)

00:05(+1)

Seattle-Tacoma (SEA)

Effective 2025-08-07 through 2025-09-29

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Southwest Airlines WN1437

16:45

Midway, Chicago (MDW)

19:15

Seattle-Tacoma (SEA)

Effective 2025-06-05 through 2025-07-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1437

16:45

Midway, Chicago (MDW)

19:15

Seattle-Tacoma (SEA)

Effective 2025-07-07 through 2025-08-04

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1437

17:05

Midway, Chicago (MDW)

19:35

Seattle-Tacoma (SEA)

Effective 2025-06-07 through 2025-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1652

08:15

Midway, Chicago (MDW)

10:55

Seattle-Tacoma (SEA)

Operates only on 2025-11-27

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1763

17:20

Midway, Chicago (MDW)

19:50

Seattle-Tacoma (SEA)

Effective 2025-08-10 through 2025-08-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1763

17:20

Midway, Chicago (MDW)

19:50

Seattle-Tacoma (SEA)

Effective 2025-09-07 through 2025-09-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1845

08:20

Midway, Chicago (MDW)

10:55

Seattle-Tacoma (SEA)

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 4:35, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1845

09:40

Midway, Chicago (MDW)

12:15

Seattle-Tacoma (SEA)

Effective 2025-06-05 through 2025-07-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:35, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1845

09:40

Midway, Chicago (MDW)

12:15

Seattle-Tacoma (SEA)

Effective 2025-07-07 through 2025-08-04

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:35, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN2144

08:30

Midway, Chicago (MDW)

11:10

Seattle-Tacoma (SEA)

Effective 2025-11-08 through 2025-11-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2144

08:30

Midway, Chicago (MDW)

11:10

Seattle-Tacoma (SEA)

Effective 2025-12-06 through 2025-12-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2144

10:50

Midway, Chicago (MDW)

13:25

Seattle-Tacoma (SEA)

Effective 2025-11-04 through 2025-11-12

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2144

10:50

Midway, Chicago (MDW)

13:25

Seattle-Tacoma (SEA)

Effective 2025-11-17 through 2025-11-20

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2144

10:50

Midway, Chicago (MDW)

13:25

Seattle-Tacoma (SEA)

Effective 2025-12-02 through 2025-12-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2144

10:50

Midway, Chicago (MDW)

13:25

Seattle-Tacoma (SEA)

Effective 2025-12-15 through 2025-12-17

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2144

10:50

Midway, Chicago (MDW)

13:25

Seattle-Tacoma (SEA)

Effective 2025-12-24 through 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2144

17:25

Midway, Chicago (MDW)

20:00

Seattle-Tacoma (SEA)

Effective 2025-11-02 through 2025-11-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2144

17:25

Midway, Chicago (MDW)

20:00

Seattle-Tacoma (SEA)

Effective 2025-11-21 through 2025-11-28

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2144

17:25

Midway, Chicago (MDW)

20:00

Seattle-Tacoma (SEA)

Effective 2025-12-07 through 2025-12-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2144

17:25

Midway, Chicago (MDW)

20:00

Seattle-Tacoma (SEA)

Operates only on 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2144

17:25

Midway, Chicago (MDW)

20:00

Seattle-Tacoma (SEA)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2577

08:10

Midway, Chicago (MDW)

10:45

Seattle-Tacoma (SEA)

Effective 2025-06-08 through 2025-08-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:35, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN2629

07:45

Midway, Chicago (MDW)

10:15

Seattle-Tacoma (SEA)

Effective 2025-06-10 through 2025-07-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN2629

11:10

Midway, Chicago (MDW)

13:40

Seattle-Tacoma (SEA)

Effective 2025-06-07 through 2025-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2840

12:40

Midway, Chicago (MDW)

15:15

Seattle-Tacoma (SEA)

Effective 2025-11-25 through 2025-12-01

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2840

12:40

Midway, Chicago (MDW)

15:15

Seattle-Tacoma (SEA)

Effective 2025-12-19 through 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2956

13:45

Midway, Chicago (MDW)

16:20

Seattle-Tacoma (SEA)

Effective 2025-10-07 through 2025-10-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN3039

20:20

Midway, Chicago (MDW)

22:50

Seattle-Tacoma (SEA)

Operates only on 2025-08-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)

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A domestic route departing from the Midway, Chicago airport (MDW) and arriving at Seattle-Tacoma airport (SEA).
The flight distance is 1728 miles, or 2781 km.
The timezone of the departure airport is UTC-6 , 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 4:25 and 4:40.

Return (SEA-MDW) flights

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