JAL flight JL 5440: Seattle-Tacoma - Dulles, Washington

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 09:55 Seattle-Tacoma (SEA) 17:55 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 (73J) 5:00 Effective 2026-01-07 through 2026-02-11
Codeshare flight, operated by Alaska Airlines.(AS 406)
Fri 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Operates only on 2025-07-04
Codeshare flight, operated by Alaska Airlines.(AS 348)
Sat 16:00 Seattle-Tacoma (SEA) 23:58 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 4:58 Valid until 2025-05-03
Codeshare flight, operated by Alaska Airlines.(AS 345)
Sat 16:00 Seattle-Tacoma (SEA) 23:58 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 (73J) 4:58 Operates only on 2025-05-10
Codeshare flight, operated by Alaska Airlines.(AS 345)
Daily 21:55 Seattle-Tacoma (SEA) 05:55 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 (73J) 5:00 Effective 2025-10-04 through 2025-10-31
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Sat 21:55 Seattle-Tacoma (SEA) 04:55 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 (73J) 5:00 Operates only on 2025-11-01
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Daily 21:55 Seattle-Tacoma (SEA) 05:55 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 (73J) 5:00 Effective 2025-11-02 through 2026-01-06
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Daily 21:55 Seattle-Tacoma (SEA) 05:55 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 (73J) 5:00 Effective from 2026-02-12
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Daily 23:30 Seattle-Tacoma (SEA) 07:36 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 (73J) 5:06 Effective 2025-05-15 through 2025-06-11
Codeshare flight, operated by Alaska Airlines.(AS 307)
The flight arrives 1 day after departure.
Mon-Thu,Sat,Sun 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 (73J) 4:57 Effective 2025-06-12 through 2025-06-28
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Fri 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Effective 2025-06-13 through 2025-06-27
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Sun 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Operates only on 2025-06-29
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Mon-Thu,Sat,Sun 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 (73J) 4:57 Effective 2025-06-30 through 2025-07-19
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Fri 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Effective 2025-07-11 through 2025-07-18
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Fri,Sun 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Effective 2025-07-20 through 2025-07-25
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Mon-Thu,Sat,Sun 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 (73J) 4:57 Effective 2025-07-21 through 2025-08-18
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Fri 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Effective 2025-08-01 through 2025-08-15
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Tue 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Operates only on 2025-08-19
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Daily 23:30 Seattle-Tacoma (SEA) 07:32 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 (73J) 5:02 Effective 2025-08-20 through 2025-10-03
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Tue,Fri,Sun 23:40 Seattle-Tacoma (SEA) 07:43 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 5:03 Valid until 2025-05-09
Codeshare flight, operated by Alaska Airlines.(AS 369)
The flight arrives 1 day after departure.
Mon,Wed,Thu 23:40 Seattle-Tacoma (SEA) 07:43 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 (73J) 5:03 Valid until 2025-05-08
Codeshare flight, operated by Alaska Airlines.(AS 369)
The flight arrives 1 day after departure.
Mon,Wed,Sun 23:40 Seattle-Tacoma (SEA) 07:43 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 (73J) 5:03 Effective 2025-05-11 through 2025-05-14
Codeshare flight, operated by Alaska Airlines.(AS 369)
The flight arrives 1 day after departure.
Tue 23:40 Seattle-Tacoma (SEA) 07:43 Dulles, Washington (IAD)
JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 5:03 Operates only on 2025-05-13
Codeshare flight, operated by Alaska Airlines.(AS 369)
The flight arrives 1 day after departure.
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JAL flight JL 5440:
Seattle-Tacoma - Dulles, Washington
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
JAL JL5440
09:55
Seattle-Tacoma (SEA)

17:55
Dulles, Washington (IAD)
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 406)
Duration: 5:00, non-stop
Boeing 737 (73J)
JAL JL5440
15:59
Seattle-Tacoma (SEA)

23:59
Dulles, Washington (IAD)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 348)
Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)
JAL JL5440
16:00
Seattle-Tacoma (SEA)

23:58
Dulles, Washington (IAD)
Valid until 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 345)
Duration: 4:58, non-stop
Boeing 737 MAX 9 (7M9)
JAL JL5440
16:00
Seattle-Tacoma (SEA)

23:58
Dulles, Washington (IAD)
Operates only on 2025-05-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 345)
Duration: 4:58, non-stop
Boeing 737 (73J)
JAL JL5440
21:55
Seattle-Tacoma (SEA)

05:55(+1)
Dulles, Washington (IAD)
Effective 2025-10-04 through 2025-10-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 5:00, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
JAL JL5440
21:55
Seattle-Tacoma (SEA)

04:55(+1)
Dulles, Washington (IAD)
Operates only on 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 5:00, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
JAL JL5440
21:55
Seattle-Tacoma (SEA)

05:55(+1)
Dulles, Washington (IAD)
Effective 2025-11-02 through 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 5:00, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
JAL JL5440
21:55
Seattle-Tacoma (SEA)

05:55(+1)
Dulles, Washington (IAD)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 5:00, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
JAL JL5440
23:30
Seattle-Tacoma (SEA)

07:36(+1)
Dulles, Washington (IAD)
Effective 2025-05-15 through 2025-06-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 307)
Duration: 5:06, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
JAL JL5440
23:30
Seattle-Tacoma (SEA)

07:27(+1)
Dulles, Washington (IAD)
Effective 2025-06-12 through 2025-06-28
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 4:57, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
JAL JL5440
23:30
Seattle-Tacoma (SEA)

07:27(+1)
Dulles, Washington (IAD)
Effective 2025-06-13 through 2025-06-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
JAL JL5440
23:30
Seattle-Tacoma (SEA)

07:27(+1)
Dulles, Washington (IAD)
Operates only on 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
JAL JL5440
23:30
Seattle-Tacoma (SEA)

07:27(+1)
Dulles, Washington (IAD)
Effective 2025-06-30 through 2025-07-19
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 4:57, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
JAL JL5440
23:30
Seattle-Tacoma (SEA)

07:27(+1)
Dulles, Washington (IAD)
Effective 2025-07-11 through 2025-07-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
JAL JL5440
23:30
Seattle-Tacoma (SEA)

07:27(+1)
Dulles, Washington (IAD)
Effective 2025-07-20 through 2025-07-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
JAL JL5440
23:30
Seattle-Tacoma (SEA)

07:27(+1)
Dulles, Washington (IAD)
Effective 2025-07-21 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 4:57, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
JAL JL5440
23:30
Seattle-Tacoma (SEA)

07:27(+1)
Dulles, Washington (IAD)
Effective 2025-08-01 through 2025-08-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
JAL JL5440
23:30
Seattle-Tacoma (SEA)

07:27(+1)
Dulles, Washington (IAD)
Operates only on 2025-08-19
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
JAL JL5440
23:30
Seattle-Tacoma (SEA)

07:32(+1)
Dulles, Washington (IAD)
Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 5:02, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
JAL JL5440
23:40
Seattle-Tacoma (SEA)

07:43(+1)
Dulles, Washington (IAD)
Valid until 2025-05-09
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 369)
Duration: 5:03, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
JAL JL5440
23:40
Seattle-Tacoma (SEA)

07:43(+1)
Dulles, Washington (IAD)
Valid until 2025-05-08
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 369)
Duration: 5:03, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
JAL JL5440
23:40
Seattle-Tacoma (SEA)

07:43(+1)
Dulles, Washington (IAD)
Effective 2025-05-11 through 2025-05-14
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 369)
Duration: 5:03, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
JAL JL5440
23:40
Seattle-Tacoma (SEA)

07:43(+1)
Dulles, Washington (IAD)
Operates only on 2025-05-13
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 369)
Duration: 5:03, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
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  • JL 5440 is a domestic flight departing from the Seattle-Tacoma airport (SEA) and arriving at Dulles, Washington airport (IAD).
  • The flight distance is 2299 miles, or 3699 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 4:57 and 5:06.
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