Alaska Airlines flight AS 388: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 08:00 Seattle-Tacoma (SEA) 13:52 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 (73J) 3:52 Effective from 2025-10-04
Mon,Tue,Fri 08:03 Seattle-Tacoma (SEA) 14:08 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 MAX 9 (7M9) 4:05 Valid until 2025-05-06
Wed,Thu,Sat,Sun 08:03 Seattle-Tacoma (SEA) 14:08 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 (73J) 4:05 Valid until 2025-05-07
Tue,Thu 08:03 Seattle-Tacoma (SEA) 14:08 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 MAX 9 (7M9) 4:05 Effective 2025-05-08 through 2025-05-13
Mon,Wed,Fri-Sun 08:03 Seattle-Tacoma (SEA) 14:08 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 (73J) 4:05 Effective 2025-05-09 through 2025-05-14
Daily 08:11 Seattle-Tacoma (SEA) 14:17 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 (73J) 4:06 Effective 2025-08-20 through 2025-10-03
Tue-Thu,Sun 08:32 Seattle-Tacoma (SEA) 14:26 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 MAX 9 (7M9) 3:54 Effective 2025-06-12 through 2025-06-19
Mon,Fri,Sat 08:32 Seattle-Tacoma (SEA) 14:26 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 (73J) 3:54 Effective 2025-06-13 through 2025-06-20
Tue-Thu,Sat,Sun 08:32 Seattle-Tacoma (SEA) 14:26 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 MAX 9 (7M9) 3:54 Effective 2025-06-21 through 2025-06-26
Mon,Fri,Sat 08:32 Seattle-Tacoma (SEA) 14:26 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 (73J) 3:54 Effective 2025-06-23 through 2025-06-30
Tue-Sun 08:32 Seattle-Tacoma (SEA) 14:26 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 MAX 9 (7M9) 3:54 Effective 2025-06-29 through 2025-07-10
Mon,Fri,Sat 08:32 Seattle-Tacoma (SEA) 14:26 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 (73J) 3:54 Effective 2025-07-07 through 2025-07-12
Mon-Thu,Sun 08:32 Seattle-Tacoma (SEA) 14:26 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 MAX 9 (7M9) 3:54 Effective 2025-07-13 through 2025-07-27
Fri,Sat 08:32 Seattle-Tacoma (SEA) 14:26 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 (73J) 3:54 Effective 2025-07-18 through 2025-07-26
Mon,Fri,Sat 08:32 Seattle-Tacoma (SEA) 14:26 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 (73J) 3:54 Effective 2025-07-28 through 2025-08-02
Mon-Thu,Sun 08:32 Seattle-Tacoma (SEA) 14:26 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 MAX 9 (7M9) 3:54 Effective 2025-07-29 through 2025-08-19
Fri 08:32 Seattle-Tacoma (SEA) 14:26 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737-900 (739) 3:54 Operates only on 2025-08-08
Fri,Sat 08:32 Seattle-Tacoma (SEA) 14:26 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 (73J) 3:54 Effective 2025-08-09 through 2025-08-16
Thu,Fri 11:25 Seattle-Tacoma (SEA) 17:22 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 (73J) 3:57 Effective 2025-05-15 through 2025-05-16
Daily 11:25 Seattle-Tacoma (SEA) 17:22 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 MAX 9 (7M9) 3:57 Effective 2025-05-17 through 2025-05-25
Mon 11:25 Seattle-Tacoma (SEA) 17:22 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 (73J) 3:57 Operates only on 2025-05-26
Tue-Sat 11:25 Seattle-Tacoma (SEA) 17:22 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 MAX 9 (7M9) 3:57 Effective 2025-05-27 through 2025-05-31
Daily 11:25 Seattle-Tacoma (SEA) 17:18 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 MAX 9 (7M9) 3:53 Effective 2025-06-01 through 2025-06-10
Wed 11:25 Seattle-Tacoma (SEA) 17:18 Saint Louis (STL) 1 AS 388 Non-stop Boeing 737 (73J) 3:53 Operates only on 2025-06-11
Daily 14:55 Saint Louis (STL) 1 17:21 Seattle-Tacoma (SEA) AS 388 Non-stop Boeing 737 (73J) 4:26 Effective from 2025-10-04
Mon,Tue,Fri 15:08 Saint Louis (STL) 1 17:39 Seattle-Tacoma (SEA) AS 388 Non-stop Boeing 737 MAX 9 (7M9) 4:31 Valid until 2025-05-06
Wed,Thu,Sat,Sun 15:08 Saint Louis (STL) 1 17:39 Seattle-Tacoma (SEA) AS 388 Non-stop Boeing 737 (73J) 4:31 Valid until 2025-05-07
Tue,Thu 15:08 Saint Louis (STL) 1 17:39 Seattle-Tacoma (SEA) AS 388 Non-stop Boeing 737 MAX 9 (7M9) 4:31 Effective 2025-05-08 through 2025-05-13
Mon,Wed,Fri-Sun 15:08 Saint Louis (STL) 1 17:39 Seattle-Tacoma (SEA) AS 388 Non-stop Boeing 737 (73J) 4:31 Effective 2025-05-09 through 2025-05-14
Daily 15:17 Saint Louis (STL) 1 17:41 Seattle-Tacoma (SEA) AS 388 Non-stop Boeing 737 (73J) 4:24 Effective 2025-08-20 through 2025-10-03
Tue-Thu,Sun 15:24 Saint Louis (STL) 1 17:50 Seattle-Tacoma (SEA) AS 388 Non-stop Boeing 737 MAX 9 (7M9) 4:26 Effective 2025-06-12 through 2025-06-19
Mon,Fri,Sat 15:24 Saint Louis (STL) 1 17:50 Seattle-Tacoma (SEA) AS 388 Non-stop Boeing 737 (73J) 4:26 Effective 2025-06-13 through 2025-06-20
Tue-Thu,Sat,Sun 15:24 Saint Louis (STL) 1 17:50 Seattle-Tacoma (SEA) AS 388 Non-stop Boeing 737 MAX 9 (7M9) 4:26 Effective 2025-06-21 through 2025-06-26
Mon,Fri,Sat 15:24 Saint Louis (STL) 1 17:50 Seattle-Tacoma (SEA) AS 388 Non-stop Boeing 737 (73J) 4:26 Effective 2025-06-23 through 2025-06-30
Tue-Sun 15:24 Saint Louis (STL) 1 17:50 Seattle-Tacoma (SEA) AS 388 Non-stop Boeing 737 MAX 9 (7M9) 4:26 Effective 2025-06-29 through 2025-07-10
Mon,Fri,Sat 15:24 Saint Louis (STL) 1 17:50 Seattle-Tacoma (SEA) AS 388 Non-stop Boeing 737 (73J) 4:26 Effective 2025-07-07 through 2025-07-12
Mon-Thu,Sun 15:24 Saint Louis (STL) 1 17:50 Seattle-Tacoma (SEA) AS 388 Non-stop Boeing 737 MAX 9 (7M9) 4:26 Effective 2025-07-13 through 2025-07-27
Fri,Sat 15:24 Saint Louis (STL) 1 17:50 Seattle-Tacoma (SEA) AS 388 Non-stop Boeing 737 (73J) 4:26 Effective 2025-07-18 through 2025-07-26
Mon,Fri,Sat 15:24 Saint Louis (STL) 1 17:50 Seattle-Tacoma (SEA) AS 388 Non-stop Boeing 737 (73J) 4:26 Effective 2025-07-28 through 2025-08-02
Mon-Thu,Sun 15:24 Saint Louis (STL) 1 17:50 Seattle-Tacoma (SEA) AS 388 Non-stop Boeing 737 MAX 9 (7M9) 4:26 Effective 2025-07-29 through 2025-08-19
Fri 15:24 Saint Louis (STL) 1 17:50 Seattle-Tacoma (SEA) AS 388 Non-stop Boeing 737-900 (739) 4:26 Operates only on 2025-08-08
Fri,Sat 15:24 Saint Louis (STL) 1 17:50 Seattle-Tacoma (SEA) AS 388 Non-stop Boeing 737 (73J) 4:26 Effective 2025-08-09 through 2025-08-16

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This flight number is listed as serving the following routes:

Saint Louis (STL) - Seattle-Tacoma (SEA)

All Alaska Airlines flights

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Alaska Airlines flight AS 388: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Alaska Airlines AS388

08:00

Seattle-Tacoma (SEA)

13:52

Saint Louis (STL) 1

Effective from 2025-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:52, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

08:03

Seattle-Tacoma (SEA)

14:08

Saint Louis (STL) 1

Valid until 2025-05-06

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS388

08:03

Seattle-Tacoma (SEA)

14:08

Saint Louis (STL) 1

Valid until 2025-05-07

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat

Sun

Duration: 4:05, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

08:03

Seattle-Tacoma (SEA)

14:08

Saint Louis (STL) 1

Effective 2025-05-08 through 2025-05-13

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS388

08:03

Seattle-Tacoma (SEA)

14:08

Saint Louis (STL) 1

Effective 2025-05-09 through 2025-05-14

Mon

Tue
-

Wed

Thu
-

Fri

Sat

Sun

Duration: 4:05, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

08:11

Seattle-Tacoma (SEA)

14:17

Saint Louis (STL) 1

Effective 2025-08-20 through 2025-10-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:06, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

08:32

Seattle-Tacoma (SEA)

14:26

Saint Louis (STL) 1

Effective 2025-06-12 through 2025-06-19

Mon
-

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 3:54, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS388

08:32

Seattle-Tacoma (SEA)

14:26

Saint Louis (STL) 1

Effective 2025-06-13 through 2025-06-20

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 3:54, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

08:32

Seattle-Tacoma (SEA)

14:26

Saint Louis (STL) 1

Effective 2025-06-21 through 2025-06-26

Mon
-

Tue

Wed

Thu

Fri
-

Sat

Sun

Duration: 3:54, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS388

08:32

Seattle-Tacoma (SEA)

14:26

Saint Louis (STL) 1

Effective 2025-06-23 through 2025-06-30

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 3:54, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

08:32

Seattle-Tacoma (SEA)

14:26

Saint Louis (STL) 1

Effective 2025-06-29 through 2025-07-10

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:54, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS388

08:32

Seattle-Tacoma (SEA)

14:26

Saint Louis (STL) 1

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 3:54, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

08:32

Seattle-Tacoma (SEA)

14:26

Saint Louis (STL) 1

Effective 2025-07-13 through 2025-07-27

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 3:54, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS388

08:32

Seattle-Tacoma (SEA)

14:26

Saint Louis (STL) 1

Effective 2025-07-18 through 2025-07-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 3:54, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

08:32

Seattle-Tacoma (SEA)

14:26

Saint Louis (STL) 1

Effective 2025-07-28 through 2025-08-02

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 3:54, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

08:32

Seattle-Tacoma (SEA)

14:26

Saint Louis (STL) 1

Effective 2025-07-29 through 2025-08-19

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 3:54, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS388

08:32

Seattle-Tacoma (SEA)

14:26

Saint Louis (STL) 1

Operates only on 2025-08-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:54, non-stop
Boeing 737-900 (739)

Alaska Airlines AS388

08:32

Seattle-Tacoma (SEA)

14:26

Saint Louis (STL) 1

Effective 2025-08-09 through 2025-08-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 3:54, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

11:25

Seattle-Tacoma (SEA)

17:22

Saint Louis (STL) 1

Effective 2025-05-15 through 2025-05-16

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:57, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

11:25

Seattle-Tacoma (SEA)

17:22

Saint Louis (STL) 1

Effective 2025-05-17 through 2025-05-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:57, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS388

11:25

Seattle-Tacoma (SEA)

17:22

Saint Louis (STL) 1

Operates only on 2025-05-26

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:57, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

11:25

Seattle-Tacoma (SEA)

17:22

Saint Louis (STL) 1

Effective 2025-05-27 through 2025-05-31

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 3:57, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS388

11:25

Seattle-Tacoma (SEA)

17:18

Saint Louis (STL) 1

Effective 2025-06-01 through 2025-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:53, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS388

11:25

Seattle-Tacoma (SEA)

17:18

Saint Louis (STL) 1

Operates only on 2025-06-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:53, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

14:55

Saint Louis (STL) 1

17:21

Seattle-Tacoma (SEA)

Effective from 2025-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:26, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

15:08

Saint Louis (STL) 1

17:39

Seattle-Tacoma (SEA)

Valid until 2025-05-06

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 4:31, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS388

15:08

Saint Louis (STL) 1

17:39

Seattle-Tacoma (SEA)

Valid until 2025-05-07

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat

Sun

Duration: 4:31, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

15:08

Saint Louis (STL) 1

17:39

Seattle-Tacoma (SEA)

Effective 2025-05-08 through 2025-05-13

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:31, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS388

15:08

Saint Louis (STL) 1

17:39

Seattle-Tacoma (SEA)

Effective 2025-05-09 through 2025-05-14

Mon

Tue
-

Wed

Thu
-

Fri

Sat

Sun

Duration: 4:31, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

15:17

Saint Louis (STL) 1

17:41

Seattle-Tacoma (SEA)

Effective 2025-08-20 through 2025-10-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:24, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

15:24

Saint Louis (STL) 1

17:50

Seattle-Tacoma (SEA)

Effective 2025-06-12 through 2025-06-19

Mon
-

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 4:26, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS388

15:24

Saint Louis (STL) 1

17:50

Seattle-Tacoma (SEA)

Effective 2025-06-13 through 2025-06-20

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 4:26, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

15:24

Saint Louis (STL) 1

17:50

Seattle-Tacoma (SEA)

Effective 2025-06-21 through 2025-06-26

Mon
-

Tue

Wed

Thu

Fri
-

Sat

Sun

Duration: 4:26, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS388

15:24

Saint Louis (STL) 1

17:50

Seattle-Tacoma (SEA)

Effective 2025-06-23 through 2025-06-30

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 4:26, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

15:24

Saint Louis (STL) 1

17:50

Seattle-Tacoma (SEA)

Effective 2025-06-29 through 2025-07-10

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:26, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS388

15:24

Saint Louis (STL) 1

17:50

Seattle-Tacoma (SEA)

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 4:26, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

15:24

Saint Louis (STL) 1

17:50

Seattle-Tacoma (SEA)

Effective 2025-07-13 through 2025-07-27

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 4:26, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS388

15:24

Saint Louis (STL) 1

17:50

Seattle-Tacoma (SEA)

Effective 2025-07-18 through 2025-07-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 4:26, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

15:24

Saint Louis (STL) 1

17:50

Seattle-Tacoma (SEA)

Effective 2025-07-28 through 2025-08-02

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 4:26, non-stop
Boeing 737 (73J)

Alaska Airlines AS388

15:24

Saint Louis (STL) 1

17:50

Seattle-Tacoma (SEA)

Effective 2025-07-29 through 2025-08-19

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 4:26, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS388

15:24

Saint Louis (STL) 1

17:50

Seattle-Tacoma (SEA)

Operates only on 2025-08-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 4:26, non-stop
Boeing 737-900 (739)

Alaska Airlines AS388

15:24

Saint Louis (STL) 1

17:50

Seattle-Tacoma (SEA)

Effective 2025-08-09 through 2025-08-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 4:26, non-stop
Boeing 737 (73J)

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This flight number is listed as serving the following routes:

Saint Louis (STL) - Seattle-Tacoma (SEA)

All Alaska Airlines flights

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- CACHE: False - LANG: en - IS_EU: False