Alaska Airlines flight AS 434: San Francisco - Dulles, Washington

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FLIGHT SCHEDULE
Direct Flights:
Daily 07:00 San Francisco (SFO) 1 15:00 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 (73J) 5:00 Effective from 2025-10-04
Thu,Fri,Sun 08:24 San Francisco (SFO) 1 16:38 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 MAX 9 (7M9) 5:14 Valid until 2025-05-11
Mon 08:24 San Francisco (SFO) 1 16:38 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 (73J) 5:14 Valid until 2025-05-12
Tue 09:10 San Francisco (SFO) 1 17:22 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737-800 (73H) 5:12 Valid until 2025-05-06
Tue,Wed 09:10 San Francisco (SFO) 1 17:22 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737-800 (73H) 5:12 Effective 2025-05-07 through 2025-05-13
Wed 09:10 San Francisco (SFO) 1 17:22 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 (73J) 5:12 Operates only on 2025-05-14
Mon-Sat 10:43 San Francisco (SFO) 1 18:59 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 MAX 9 (7M9) 5:16 Effective 2025-05-15 through 2025-06-11
Sun 10:43 San Francisco (SFO) 1 18:59 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 (73J) 5:16 Effective 2025-05-18 through 2025-06-08
Daily 11:10 San Francisco (SFO) 1 19:19 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2025-06-12 through 2025-06-20
Mon,Sat,Sun 11:10 San Francisco (SFO) 1 19:19 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 (73J) 5:09 Effective 2025-06-21 through 2025-06-28
Mon-Fri,Sun 11:10 San Francisco (SFO) 1 19:19 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2025-06-24 through 2025-06-30
Tue,Fri 11:10 San Francisco (SFO) 1 19:19 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 (73J) 5:09 Effective 2025-07-01 through 2025-07-08
Mon,Wed,Thu,Sat,Sun 11:10 San Francisco (SFO) 1 19:19 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2025-07-02 through 2025-07-10
Mon-Fri,Sun 11:10 San Francisco (SFO) 1 19:19 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2025-07-11 through 2025-07-20
Sat 11:10 San Francisco (SFO) 1 19:19 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 (73J) 5:09 Effective 2025-07-12 through 2025-07-19
Mon-Wed,Sat 11:10 San Francisco (SFO) 1 19:19 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 (73J) 5:09 Effective 2025-07-21 through 2025-07-26
Mon,Tue,Thu,Fri,Sun 11:10 San Francisco (SFO) 1 19:19 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2025-07-24 through 2025-08-12
Wed,Sat 11:10 San Francisco (SFO) 1 19:19 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 (73J) 5:09 Effective 2025-07-30 through 2025-08-09
Mon-Fri,Sun 11:10 San Francisco (SFO) 1 19:19 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2025-08-13 through 2025-08-19
Sat 11:10 San Francisco (SFO) 1 19:19 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 (73J) 5:09 Operates only on 2025-08-16
Daily 11:14 San Francisco (SFO) 1 19:29 Dulles, Washington (IAD)
AS 434 Non-stop Boeing 737 (73J) 5:15 Effective 2025-08-20 through 2025-10-03
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Alaska Airlines flight AS 434:
San Francisco - Dulles, Washington
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS434
07:00
San Francisco (SFO) 1

15:00
Dulles, Washington (IAD)
Effective from 2025-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:00, non-stop
Boeing 737 (73J)
Alaska Airlines AS434
08:24
San Francisco (SFO) 1

16:38
Dulles, Washington (IAD)
Valid until 2025-05-11
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:14, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS434
08:24
San Francisco (SFO) 1

16:38
Dulles, Washington (IAD)
Valid until 2025-05-12
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:14, non-stop
Boeing 737 (73J)
Alaska Airlines AS434
09:10
San Francisco (SFO) 1

17:22
Dulles, Washington (IAD)
Valid until 2025-05-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:12, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS434
09:10
San Francisco (SFO) 1

17:22
Dulles, Washington (IAD)
Effective 2025-05-07 through 2025-05-13
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:12, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS434
09:10
San Francisco (SFO) 1

17:22
Dulles, Washington (IAD)
Operates only on 2025-05-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:12, non-stop
Boeing 737 (73J)
Alaska Airlines AS434
10:43
San Francisco (SFO) 1

18:59
Dulles, Washington (IAD)
Effective 2025-05-15 through 2025-06-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 5:16, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS434
10:43
San Francisco (SFO) 1

18:59
Dulles, Washington (IAD)
Effective 2025-05-18 through 2025-06-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:16, non-stop
Boeing 737 (73J)
Alaska Airlines AS434
11:10
San Francisco (SFO) 1

19:19
Dulles, Washington (IAD)
Effective 2025-06-12 through 2025-06-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS434
11:10
San Francisco (SFO) 1

19:19
Dulles, Washington (IAD)
Effective 2025-06-21 through 2025-06-28
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 5:09, non-stop
Boeing 737 (73J)
Alaska Airlines AS434
11:10
San Francisco (SFO) 1

19:19
Dulles, Washington (IAD)
Effective 2025-06-24 through 2025-06-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS434
11:10
San Francisco (SFO) 1

19:19
Dulles, Washington (IAD)
Effective 2025-07-01 through 2025-07-08
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:09, non-stop
Boeing 737 (73J)
Alaska Airlines AS434
11:10
San Francisco (SFO) 1

19:19
Dulles, Washington (IAD)
Effective 2025-07-02 through 2025-07-10
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS434
11:10
San Francisco (SFO) 1

19:19
Dulles, Washington (IAD)
Effective 2025-07-11 through 2025-07-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS434
11:10
San Francisco (SFO) 1

19:19
Dulles, Washington (IAD)
Effective 2025-07-12 through 2025-07-19
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:09, non-stop
Boeing 737 (73J)
Alaska Airlines AS434
11:10
San Francisco (SFO) 1

19:19
Dulles, Washington (IAD)
Effective 2025-07-21 through 2025-07-26
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:09, non-stop
Boeing 737 (73J)
Alaska Airlines AS434
11:10
San Francisco (SFO) 1

19:19
Dulles, Washington (IAD)
Effective 2025-07-24 through 2025-08-12
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS434
11:10
San Francisco (SFO) 1

19:19
Dulles, Washington (IAD)
Effective 2025-07-30 through 2025-08-09
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:09, non-stop
Boeing 737 (73J)
Alaska Airlines AS434
11:10
San Francisco (SFO) 1

19:19
Dulles, Washington (IAD)
Effective 2025-08-13 through 2025-08-19
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS434
11:10
San Francisco (SFO) 1

19:19
Dulles, Washington (IAD)
Operates only on 2025-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:09, non-stop
Boeing 737 (73J)
Alaska Airlines AS434
11:14
San Francisco (SFO) 1

19:29
Dulles, Washington (IAD)
Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:15, non-stop
Boeing 737 (73J)
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Parallax here SFO-IAD
  • AS 434 is a domestic flight departing from the San Francisco airport (SFO) and arriving at Dulles, Washington airport (IAD).
  • The flight distance is 2412 miles, or 3881 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 5:00 and 5:16.
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