Alaska Airlines flight AS 424: Seattle-Tacoma - Dallas Fort Worth

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FLIGHT SCHEDULE
Direct Flights:
Daily 10:15 Seattle-Tacoma (SEA) 13:58 Denver (DEN)
AS 424 Non-stop Boeing 737 (73J) 2:43 Effective 2026-05-13 through 2026-06-09
Daily 17:59 Seattle-Tacoma (SEA) 23:59 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737 (73J) 4:00 Effective from 2026-06-10
Daily 18:00 Seattle-Tacoma (SEA) 23:48 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737 (73J) 3:48 Effective 2026-03-18 through 2026-05-12
Daily 18:01 Seattle-Tacoma (SEA) 23:59 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737 (73J) 3:58 Effective 2026-02-12 through 2026-03-01
Mon,Fri 18:01 Seattle-Tacoma (SEA) 23:59 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737-800 (73H) 3:58 Effective 2026-03-02 through 2026-03-06
Tue 18:01 Seattle-Tacoma (SEA) 23:59 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737 MAX 9 (7M9) 3:58 Operates only on 2026-03-03
Mon-Thu,Sat,Sun 18:01 Seattle-Tacoma (SEA) 23:59 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737 (73J) 3:58 Effective 2026-03-04 through 2026-03-12
Mon,Fri-Sun 18:01 Seattle-Tacoma (SEA) 23:59 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737 (73J) 3:58 Effective 2026-03-13 through 2026-03-16
Tue 18:01 Seattle-Tacoma (SEA) 23:59 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737-800 (73H) 3:58 Operates only on 2026-03-17
Wed,Thu 18:02 Seattle-Tacoma (SEA) 23:58 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737 (73J) 3:56 Effective 2026-01-07 through 2026-01-08
Mon,Wed,Fri 18:02 Seattle-Tacoma (SEA) 23:58 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737-800 (73H) 3:56 Effective 2026-01-09 through 2026-01-19
Tue,Sun 18:02 Seattle-Tacoma (SEA) 23:58 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737 MAX 9 (7M9) 3:56 Effective 2026-01-11 through 2026-01-18
Tue-Thu 18:02 Seattle-Tacoma (SEA) 23:58 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737 (73J) 3:56 Effective 2026-01-15 through 2026-01-21
Tue,Thu,Sun 18:02 Seattle-Tacoma (SEA) 23:58 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737 MAX 9 (7M9) 3:56 Effective 2026-01-22 through 2026-01-29
Wed,Fri 18:02 Seattle-Tacoma (SEA) 23:58 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737-800 (73H) 3:56 Effective 2026-01-23 through 2026-01-30
Mon,Sun 18:02 Seattle-Tacoma (SEA) 23:58 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737 (73J) 3:56 Effective 2026-01-26 through 2026-02-01
Mon,Wed,Fri 18:02 Seattle-Tacoma (SEA) 23:58 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737-800 (73H) 3:56 Effective 2026-02-02 through 2026-02-09
Tue,Thu,Sun 18:02 Seattle-Tacoma (SEA) 23:58 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737 MAX 9 (7M9) 3:56 Effective 2026-02-03 through 2026-02-10
Wed 18:02 Seattle-Tacoma (SEA) 23:58 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737 (73J) 3:56 Operates only on 2026-02-11
Mon,Tue,Sat,Sun 18:03 Seattle-Tacoma (SEA) 23:59 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737 (73J) 3:56 Valid until 2026-01-06
Fri 18:03 Seattle-Tacoma (SEA) 23:59 Dallas Fort Worth (DFW) E
AS 424 Non-stop Boeing 737-800 (73H) 3:56 Operates only on 2026-01-02
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Alaska Airlines flight AS 424:
Seattle-Tacoma - Dallas Fort Worth
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS424
10:15
Seattle-Tacoma (SEA)

13:58
Denver (DEN)
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:43, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS424
17:59
Seattle-Tacoma (SEA)

23:59
Dallas Fort Worth (DFW) E
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:00, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS424
18:00
Seattle-Tacoma (SEA)

23:48
Dallas Fort Worth (DFW) E
Effective 2026-03-18 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:48, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS424
18:01
Seattle-Tacoma (SEA)

23:59
Dallas Fort Worth (DFW) E
Effective 2026-02-12 through 2026-03-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:58, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS424
18:01
Seattle-Tacoma (SEA)

23:59
Dallas Fort Worth (DFW) E
Effective 2026-03-02 through 2026-03-06
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:58, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS424
18:01
Seattle-Tacoma (SEA)

23:59
Dallas Fort Worth (DFW) E
Operates only on 2026-03-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:58, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS424
18:01
Seattle-Tacoma (SEA)

23:59
Dallas Fort Worth (DFW) E
Effective 2026-03-04 through 2026-03-12
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 3:58, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS424
18:01
Seattle-Tacoma (SEA)

23:59
Dallas Fort Worth (DFW) E
Effective 2026-03-13 through 2026-03-16
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 3:58, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS424
18:01
Seattle-Tacoma (SEA)

23:59
Dallas Fort Worth (DFW) E
Operates only on 2026-03-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:58, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS424
18:02
Seattle-Tacoma (SEA)

23:58
Dallas Fort Worth (DFW) E
Effective 2026-01-07 through 2026-01-08
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:56, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS424
18:02
Seattle-Tacoma (SEA)

23:58
Dallas Fort Worth (DFW) E
Effective 2026-01-09 through 2026-01-19
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:56, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS424
18:02
Seattle-Tacoma (SEA)

23:58
Dallas Fort Worth (DFW) E
Effective 2026-01-11 through 2026-01-18
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:56, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS424
18:02
Seattle-Tacoma (SEA)

23:58
Dallas Fort Worth (DFW) E
Effective 2026-01-15 through 2026-01-21
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:56, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS424
18:02
Seattle-Tacoma (SEA)

23:58
Dallas Fort Worth (DFW) E
Effective 2026-01-22 through 2026-01-29
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 3:56, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS424
18:02
Seattle-Tacoma (SEA)

23:58
Dallas Fort Worth (DFW) E
Effective 2026-01-23 through 2026-01-30
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:56, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS424
18:02
Seattle-Tacoma (SEA)

23:58
Dallas Fort Worth (DFW) E
Effective 2026-01-26 through 2026-02-01
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:56, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS424
18:02
Seattle-Tacoma (SEA)

23:58
Dallas Fort Worth (DFW) E
Effective 2026-02-02 through 2026-02-09
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:56, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS424
18:02
Seattle-Tacoma (SEA)

23:58
Dallas Fort Worth (DFW) E
Effective 2026-02-03 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 3:56, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS424
18:02
Seattle-Tacoma (SEA)

23:58
Dallas Fort Worth (DFW) E
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:56, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS424
18:03
Seattle-Tacoma (SEA)

23:59
Dallas Fort Worth (DFW) E
Valid until 2026-01-06
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 3:56, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS424
18:03
Seattle-Tacoma (SEA)

23:59
Dallas Fort Worth (DFW) E
Operates only on 2026-01-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:56, non-stop
Boeing 737-800 (73H)
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Parallax here SEA-DFW
  • AS 424 is a domestic flight departing from the Seattle-Tacoma airport (SEA) and arriving at Dallas Fort Worth airport (DFW).
  • The flight distance is 1657 miles, or 2667 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-6 . 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 2:43 and 4:00.
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