JAL flight JL 5439: Saint Louis - Seattle-Tacoma

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Thu,Sat,Sun 06:30 Saint Louis (STL) 1 08:54 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737 MAX 9 (7M9) 4:24 Valid until 2025-05-01
Codeshare flight, operated by Alaska Airlines.(AS 473)
Daily 06:30 Saint Louis (STL) 1 08:54 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737 MAX 9 (7M9) 4:24 Effective 2025-05-02 through 2025-05-14
Codeshare flight, operated by Alaska Airlines.(AS 473)
Sat 06:30 Saint Louis (STL) 1 08:47 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737 MAX 9 (7M9) 4:17 Effective 2025-05-17 through 2025-05-24
Codeshare flight, operated by Alaska Airlines.(AS 504)
Sat 06:30 Saint Louis (STL) 1 08:47 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737-800 (73H) 4:17 Operates only on 2025-05-31
Codeshare flight, operated by Alaska Airlines.(AS 504)
Sat 06:30 Saint Louis (STL) 1 08:47 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737 (73J) 4:17 Operates only on 2025-06-07
Codeshare flight, operated by Alaska Airlines.(AS 504)
Daily 06:30 Saint Louis (STL) 1 09:00 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737 (73J) 4:30 Effective 2025-08-20 through 2025-10-03
Codeshare flight, operated by Alaska Airlines.(AS 473)
Daily 06:41 Saint Louis (STL) 1 09:10 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737 (73J) 4:29 Effective 2025-06-12 through 2025-07-21
Codeshare flight, operated by Alaska Airlines.(AS 473)
Tue,Fri 06:41 Saint Louis (STL) 1 09:10 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737 MAX 9 (7M9) 4:29 Effective 2025-07-22 through 2025-07-25
Codeshare flight, operated by Alaska Airlines.(AS 473)
Mon-Thu,Sat,Sun 06:41 Saint Louis (STL) 1 09:10 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737 (73J) 4:29 Effective 2025-07-23 through 2025-08-07
Codeshare flight, operated by Alaska Airlines.(AS 473)
Fri 06:41 Saint Louis (STL) 1 09:10 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737 MAX 9 (7M9) 4:29 Operates only on 2025-08-01
Codeshare flight, operated by Alaska Airlines.(AS 473)
Daily 06:41 Saint Louis (STL) 1 09:10 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737 (73J) 4:29 Effective 2025-08-08 through 2025-08-19
Codeshare flight, operated by Alaska Airlines.(AS 473)
Thu,Fri 07:00 Saint Louis (STL) 1 09:17 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737 (73J) 4:17 Effective 2025-05-15 through 2025-05-16
Codeshare flight, operated by Alaska Airlines.(AS 504)
Mon-Fri,Sun 07:00 Saint Louis (STL) 1 09:17 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737 MAX 9 (7M9) 4:17 Effective 2025-05-18 through 2025-05-23
Codeshare flight, operated by Alaska Airlines.(AS 504)
Thu,Sun 07:00 Saint Louis (STL) 1 09:17 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737 (73J) 4:17 Effective 2025-05-25 through 2025-05-29
Codeshare flight, operated by Alaska Airlines.(AS 504)
Mon-Wed,Fri 07:00 Saint Louis (STL) 1 09:17 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737 MAX 9 (7M9) 4:17 Effective 2025-05-26 through 2025-06-04
Codeshare flight, operated by Alaska Airlines.(AS 504)
Sun 07:00 Saint Louis (STL) 1 09:17 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737-800 (73H) 4:17 Operates only on 2025-06-01
Codeshare flight, operated by Alaska Airlines.(AS 504)
Mon-Fri,Sun 07:00 Saint Louis (STL) 1 09:17 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737 MAX 9 (7M9) 4:17 Effective 2025-06-05 through 2025-06-11
Codeshare flight, operated by Alaska Airlines.(AS 504)
Daily 07:00 Saint Louis (STL) 1 09:26 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737 (73J) 4:26 Effective 2025-10-04 through 2026-01-06
Codeshare flight, operated by Alaska Airlines.(AS 473)
Daily 07:00 Saint Louis (STL) 1 09:26 Seattle-Tacoma (SEA)
JL 5439 Non-stop Boeing 737 (73J) 4:26 Effective from 2026-02-12
Codeshare flight, operated by Alaska Airlines.(AS 473)
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JAL flight JL 5439:
Saint Louis - Seattle-Tacoma
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

JAL JL5439
Valid until 2025-05-01
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 473)
Duration: 4:24, non-stop
Boeing 737 MAX 9 (7M9)

JAL JL5439
Effective 2025-05-02 through 2025-05-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 473)
Duration: 4:24, non-stop
Boeing 737 MAX 9 (7M9)

JAL JL5439
Effective 2025-05-17 through 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 504)
Duration: 4:17, non-stop
Boeing 737 MAX 9 (7M9)

JAL JL5439
Operates only on 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 504)
Duration: 4:17, non-stop
Boeing 737-800 (73H)

JAL JL5439
Operates only on 2025-06-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 504)
Duration: 4:17, non-stop
Boeing 737 (73J)

JAL JL5439
Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 473)
Duration: 4:30, non-stop
Boeing 737 (73J)

JAL JL5439
Effective 2025-06-12 through 2025-07-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 473)
Duration: 4:29, non-stop
Boeing 737 (73J)

JAL JL5439
Effective 2025-07-22 through 2025-07-25
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 473)
Duration: 4:29, non-stop
Boeing 737 MAX 9 (7M9)

JAL JL5439
Effective 2025-07-23 through 2025-08-07
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 473)
Duration: 4:29, non-stop
Boeing 737 (73J)

JAL JL5439
Operates only on 2025-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 473)
Duration: 4:29, non-stop
Boeing 737 MAX 9 (7M9)

JAL JL5439
Effective 2025-08-08 through 2025-08-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 473)
Duration: 4:29, non-stop
Boeing 737 (73J)

JAL JL5439
Effective 2025-05-15 through 2025-05-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 504)
Duration: 4:17, non-stop
Boeing 737 (73J)

JAL JL5439
Effective 2025-05-18 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 504)
Duration: 4:17, non-stop
Boeing 737 MAX 9 (7M9)

JAL JL5439
Effective 2025-05-25 through 2025-05-29
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 504)
Duration: 4:17, non-stop
Boeing 737 (73J)

JAL JL5439
Effective 2025-05-26 through 2025-06-04
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 504)
Duration: 4:17, non-stop
Boeing 737 MAX 9 (7M9)

JAL JL5439
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 504)
Duration: 4:17, non-stop
Boeing 737-800 (73H)

JAL JL5439
Effective 2025-06-05 through 2025-06-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 504)
Duration: 4:17, non-stop
Boeing 737 MAX 9 (7M9)

JAL JL5439
Effective 2025-10-04 through 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 473)
Duration: 4:26, non-stop
Boeing 737 (73J)

JAL JL5439
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 473)
Duration: 4:26, non-stop
Boeing 737 (73J)
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  • JL 5439 is a domestic flight departing from the Saint Louis airport (STL) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 1704 miles, or 2743 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 4:17 and 4:30.