JAL
flight
JL 5439:
Saint Louis - Seattle-Tacoma
Saint Louis - Seattle-Tacoma
FLIGHT SCHEDULE
Direct Codeshare Flights:
JAL JL5439
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 473)
Duration: 4:31, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
JAL JL5439
Valid until 2026-01-04
Mon
Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Codeshare flight, operated by Alaska Airlines.
(AS 473)
Duration: 4:39, non-stop Boeing 737-800 (73H)
Direct Codeshare Flights:
JAL JL5439
Valid until 2026-01-05
Mon
Tue
Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 473)
Duration: 4:39, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
JAL JL5439
Valid until 2026-01-06
Mon
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Tue
Wed
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Thu
Fri
Sat
Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 473)
Duration: 4:39, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
JAL JL5439
Operates only on 2026-01-07
Mon
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 473)
Duration: 4:39, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
JAL JL5439
Effective 2026-02-13 through 2026-02-23
Mon
Tue
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-
Wed
Thu
Fri
Sat
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-
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 473)
Duration: 4:42, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
JAL JL5439
Operates only on 2026-02-17
Mon
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 473)
Duration: 4:42, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
JAL JL5439
Effective 2026-02-24 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 473)
Duration: 4:42, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
JAL JL5439
Effective 2026-03-08 through 2026-03-16
Mon
Tue
Wed
Thu
Fri
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-
Sat
-
-
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 473)
Duration: 4:42, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
JAL JL5439
Operates only on 2026-03-13
Mon
-
-
Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 473)
Duration: 4:42, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
JAL JL5439
Operates only on 2026-03-17
Mon
-
-
Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 473)
Duration: 4:42, non-stop Boeing 737-800 (73H)
Direct Codeshare Flights:
JAL JL5439
Operates only on 2026-03-18
Mon
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 473)
Duration: 4:26, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
JAL JL5439
Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 473)
Duration: 4:31, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
JAL JL5439
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 504)
Duration: 4:17, non-stop Boeing 737 (73J)
- 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 4:42.