Singapore Airlines flight SQ 1235: Dulles, Washington - Seattle-Tacoma

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon 18:55 Dulles, Washington (IAD) 21:58 Seattle-Tacoma (SEA)
SQ 1235 Non-stop Boeing 737 (73J) 6:03 Operates only on 2024-01-08
Codeshare flight, operated by Alaska Airlines.(AS 343)
Mon,Wed,Fri 18:55 Dulles, Washington (IAD) 21:58 Seattle-Tacoma (SEA)
SQ 1235 Non-stop Boeing 737 MAX 9 (7M9) 6:03 Effective 2024-01-10 through 2024-01-19
Codeshare flight, operated by Alaska Airlines.(AS 351)
Mon 18:55 Dulles, Washington (IAD) 21:58 Seattle-Tacoma (SEA)
SQ 1235 Non-stop Boeing 737 (73J) 6:03 Operates only on 2024-01-22
Codeshare flight, operated by Alaska Airlines.(AS 351)
Mon,Wed,Fri 18:55 Dulles, Washington (IAD) 21:58 Seattle-Tacoma (SEA)
SQ 1235 Non-stop Boeing 737 MAX 9 (7M9) 6:03 Effective 2024-01-24 through 2024-01-31
Codeshare flight, operated by Alaska Airlines.(AS 351)
Fri 18:55 Dulles, Washington (IAD) 21:58 Seattle-Tacoma (SEA)
SQ 1235 Non-stop Boeing 737-800 (73H) 6:03 Operates only on 2024-02-02
Codeshare flight, operated by Alaska Airlines.(AS 351)
Mon,Wed,Fri 18:55 Dulles, Washington (IAD) 21:58 Seattle-Tacoma (SEA)
SQ 1235 Non-stop Boeing 737 MAX 9 (7M9) 6:03 Effective 2024-02-05 through 2024-02-14
Codeshare flight, operated by Alaska Airlines.(AS 351)
Mon,Fri 18:55 Dulles, Washington (IAD) 21:59 Seattle-Tacoma (SEA)
SQ 1235 Non-stop Boeing 737 (73J) 6:04 Effective 2024-02-16 through 2024-03-01
Codeshare flight, operated by Alaska Airlines.(AS 406)
Mon 18:55 Dulles, Washington (IAD) 21:59 Seattle-Tacoma (SEA)
SQ 1235 Non-stop Boeing 737 MAX 9 (7M9) 6:04 Effective 2024-03-04 through 2024-03-11
Codeshare flight, operated by Alaska Airlines.(AS 406)
Fri 18:55 Dulles, Washington (IAD) 21:59 Seattle-Tacoma (SEA)
SQ 1235 Non-stop Boeing 737 (73J) 6:04 Operates only on 2024-03-08
Codeshare flight, operated by Alaska Airlines.(AS 406)
Fri 19:00 Dulles, Washington (IAD) 22:00 Seattle-Tacoma (SEA)
SQ 1235 Non-stop Boeing 737 MAX 9 (7M9) 6:00 Effective 2024-03-15 through 2024-03-22
Codeshare flight, operated by Alaska Airlines.(AS 351)
Mon,Wed 19:00 Dulles, Washington (IAD) 22:00 Seattle-Tacoma (SEA)
SQ 1235 Non-stop Boeing 737 (73J) 6:00 Effective 2024-03-18 through 2024-03-20
Codeshare flight, operated by Alaska Airlines.(AS 351)
Mon,Wed,Fri 19:00 Dulles, Washington (IAD) 22:00 Seattle-Tacoma (SEA)
SQ 1235 Non-stop Boeing 737 MAX 9 (7M9) 6:00 Effective 2024-03-25 through 2024-03-29
Codeshare flight, operated by Alaska Airlines.(AS 351)
Mon,Wed,Fri,Sat 19:00 Dulles, Washington (IAD) 21:56 Seattle-Tacoma (SEA)
SQ 1235 Non-stop Boeing 737 (73J) 5:56 Effective from 2024-10-26
Codeshare flight, operated by Alaska Airlines.(AS 406)
Mon,Wed 19:01 Dulles, Washington (IAD) 22:00 Seattle-Tacoma (SEA)
SQ 1235 Non-stop Boeing 737-800 (73H) 5:59 Valid until 2024-01-03
Codeshare flight, operated by Alaska Airlines.(AS 351)
Fri 19:01 Dulles, Washington (IAD) 22:00 Seattle-Tacoma (SEA)
SQ 1235 Non-stop Boeing 737 (73J) 5:59 Valid until 2024-01-05
Codeshare flight, operated by Alaska Airlines.(AS 351)
Singapore Airlines flight SQ 1235:
Dulles, Washington - Seattle-Tacoma
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Singapore Airlines SQ1235
Operates only on 2024-01-08
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 343)
Duration: 6:03, non-stop
Boeing 737 (73J)

Singapore Airlines SQ1235
Effective 2024-01-10 through 2024-01-19
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 351)
Duration: 6:03, non-stop
Boeing 737 MAX 9 (7M9)

Singapore Airlines SQ1235
Operates only on 2024-01-22
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 351)
Duration: 6:03, non-stop
Boeing 737 (73J)

Singapore Airlines SQ1235
Effective 2024-01-24 through 2024-01-31
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 351)
Duration: 6:03, non-stop
Boeing 737 MAX 9 (7M9)

Singapore Airlines SQ1235
Operates only on 2024-02-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 351)
Duration: 6:03, non-stop
Boeing 737-800 (73H)

Singapore Airlines SQ1235
Effective 2024-02-05 through 2024-02-14
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 351)
Duration: 6:03, non-stop
Boeing 737 MAX 9 (7M9)

Singapore Airlines SQ1235
Effective 2024-02-16 through 2024-03-01
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 406)
Duration: 6:04, non-stop
Boeing 737 (73J)

Singapore Airlines SQ1235
Effective 2024-03-04 through 2024-03-11
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 406)
Duration: 6:04, non-stop
Boeing 737 MAX 9 (7M9)

Singapore Airlines SQ1235
Operates only on 2024-03-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 406)
Duration: 6:04, non-stop
Boeing 737 (73J)

Singapore Airlines SQ1235
Effective 2024-03-15 through 2024-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 351)
Duration: 6:00, non-stop
Boeing 737 MAX 9 (7M9)

Singapore Airlines SQ1235
Effective 2024-03-18 through 2024-03-20
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 351)
Duration: 6:00, non-stop
Boeing 737 (73J)

Singapore Airlines SQ1235
Effective 2024-03-25 through 2024-03-29
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 351)
Duration: 6:00, non-stop
Boeing 737 MAX 9 (7M9)

Singapore Airlines SQ1235
Effective from 2024-10-26
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 406)
Duration: 5:56, non-stop
Boeing 737 (73J)

Singapore Airlines SQ1235
Valid until 2024-01-03
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 351)
Duration: 5:59, non-stop
Boeing 737-800 (73H)

Singapore Airlines SQ1235
Valid until 2024-01-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 351)
Duration: 5:59, non-stop
Boeing 737 (73J)
  • SQ 1235 is a domestic flight departing from the Dulles, Washington airport (IAD) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 2299 miles, or 3699 km.
  • The timezone of the departure airport is UTC-5 , 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 5:56 and 6:04.