Alaska Airlines flight AS 543: Dallas Fort Worth - Seattle-Tacoma

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FLIGHT SCHEDULE
Direct Flights:
Thu 06:00 Dallas Fort Worth (DFW) E 08:18 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737 MAX 9 (7M9) 4:18 Operates only on 2025-05-15
Daily 06:00 Dallas Fort Worth (DFW) E 08:18 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737 (73J) 4:18 Effective 2025-05-16 through 2025-05-23
Sat 06:00 Dallas Fort Worth (DFW) E 08:18 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737-800 (73H) 4:18 Operates only on 2025-05-24
Daily 06:00 Dallas Fort Worth (DFW) E 08:18 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737 (73J) 4:18 Effective 2025-05-25 through 2025-06-02
Tue,Wed 06:00 Dallas Fort Worth (DFW) E 08:18 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737-800 (73H) 4:18 Effective 2025-06-03 through 2025-06-11
Mon,Thu-Sun 06:00 Dallas Fort Worth (DFW) E 08:18 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737 (73J) 4:18 Effective 2025-06-05 through 2025-06-09
Tue-Fri,Sun 10:00 Dallas Fort Worth (DFW) E 12:28 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737 (73J) 4:28 Valid until 2025-05-09
Mon,Sat 10:00 Dallas Fort Worth (DFW) E 12:28 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737-800 (73H) 4:28 Effective 2025-05-03 through 2025-05-05
Mon-Wed,Sat,Sun 10:00 Dallas Fort Worth (DFW) E 12:28 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737 (73J) 4:28 Effective 2025-05-10 through 2025-05-14
Daily 10:00 Dallas Fort Worth (DFW) E 12:32 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737 (73J) 4:32 Effective from 2025-10-04
Tue,Wed 12:35 Dallas Fort Worth (DFW) E 14:54 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737 (73J) 4:19 Effective 2025-08-20 through 2025-10-01
Mon-Fri 13:00 Dallas Fort Worth (DFW) E 15:17 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737-800 (73H) 4:17 Effective 2025-06-12 through 2025-06-20
Sat 13:00 Dallas Fort Worth (DFW) E 15:17 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737 (73J) 4:17 Operates only on 2025-06-14
Sun 13:00 Dallas Fort Worth (DFW) E 15:17 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737 MAX 8 (7M8) 4:17 Effective 2025-06-15 through 2025-07-13
Mon-Sat 13:00 Dallas Fort Worth (DFW) E 15:17 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737-800 (73H) 4:17 Effective 2025-06-21 through 2025-07-01
Tue,Wed 13:00 Dallas Fort Worth (DFW) E 15:17 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737 MAX 9 (7M9) 4:17 Effective 2025-07-02 through 2025-07-08
Mon,Wed,Thu,Sat 13:00 Dallas Fort Worth (DFW) E 15:17 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737-800 (73H) 4:17 Effective 2025-07-03 through 2025-07-10
Fri 13:00 Dallas Fort Worth (DFW) E 15:17 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737 (73J) 4:17 Operates only on 2025-07-04
Fri,Sat 13:00 Dallas Fort Worth (DFW) E 15:17 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737-800 (73H) 4:17 Effective 2025-07-11 through 2025-07-12
Mon,Thu,Sun 13:00 Dallas Fort Worth (DFW) E 15:15 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737-800 (73H) 4:15 Effective 2025-07-14 through 2025-08-11
Tue,Wed,Fri,Sat 13:00 Dallas Fort Worth (DFW) E 15:15 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737 MAX 9 (7M9) 4:15 Effective 2025-07-15 through 2025-07-25
Sat 13:00 Dallas Fort Worth (DFW) E 15:15 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737 (73J) 4:15 Effective 2025-07-26 through 2025-08-09
Tue,Wed,Fri 13:00 Dallas Fort Worth (DFW) E 15:15 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737 MAX 9 (7M9) 4:15 Effective 2025-07-29 through 2025-08-08
Mon,Tue,Thu,Sat,Sun 13:00 Dallas Fort Worth (DFW) E 15:15 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737-800 (73H) 4:15 Effective 2025-08-12 through 2025-08-18
Tue,Wed,Fri 13:00 Dallas Fort Worth (DFW) E 15:15 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737 MAX 9 (7M9) 4:15 Effective 2025-08-13 through 2025-08-19
Mon,Thu-Sun 13:02 Dallas Fort Worth (DFW) E 15:19 Seattle-Tacoma (SEA)
AS 543 Non-stop Boeing 737 (73J) 4:17 Effective 2025-08-21 through 2025-10-03
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Alaska Airlines flight AS 543:
Dallas Fort Worth - Seattle-Tacoma
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Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS543
06:00
Dallas Fort Worth (DFW) E

08:18
Seattle-Tacoma (SEA)
Operates only on 2025-05-15
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:18, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS543
06:00
Dallas Fort Worth (DFW) E

08:18
Seattle-Tacoma (SEA)
Effective 2025-05-16 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:18, non-stop
Boeing 737 (73J)
Alaska Airlines AS543
06:00
Dallas Fort Worth (DFW) E

08:18
Seattle-Tacoma (SEA)
Operates only on 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:18, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS543
06:00
Dallas Fort Worth (DFW) E

08:18
Seattle-Tacoma (SEA)
Effective 2025-05-25 through 2025-06-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:18, non-stop
Boeing 737 (73J)
Alaska Airlines AS543
06:00
Dallas Fort Worth (DFW) E

08:18
Seattle-Tacoma (SEA)
Effective 2025-06-03 through 2025-06-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:18, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS543
06:00
Dallas Fort Worth (DFW) E

08:18
Seattle-Tacoma (SEA)
Effective 2025-06-05 through 2025-06-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 4:18, non-stop
Boeing 737 (73J)
Alaska Airlines AS543
10:00
Dallas Fort Worth (DFW) E

12:28
Seattle-Tacoma (SEA)
Valid until 2025-05-09
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:28, non-stop
Boeing 737 (73J)
Alaska Airlines AS543
10:00
Dallas Fort Worth (DFW) E

12:28
Seattle-Tacoma (SEA)
Effective 2025-05-03 through 2025-05-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:28, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS543
10:00
Dallas Fort Worth (DFW) E

12:28
Seattle-Tacoma (SEA)
Effective 2025-05-10 through 2025-05-14
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 4:28, non-stop
Boeing 737 (73J)
Alaska Airlines AS543
10:00
Dallas Fort Worth (DFW) E

12:32
Seattle-Tacoma (SEA)
Effective from 2025-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:32, non-stop
Boeing 737 (73J)
Alaska Airlines AS543
12:35
Dallas Fort Worth (DFW) E

14:54
Seattle-Tacoma (SEA)
Effective 2025-08-20 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:19, non-stop
Boeing 737 (73J)
Alaska Airlines AS543
13:00
Dallas Fort Worth (DFW) E

15:17
Seattle-Tacoma (SEA)
Effective 2025-06-12 through 2025-06-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:17, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS543
13:00
Dallas Fort Worth (DFW) E

15:17
Seattle-Tacoma (SEA)
Operates only on 2025-06-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:17, non-stop
Boeing 737 (73J)
Alaska Airlines AS543
13:00
Dallas Fort Worth (DFW) E

15:17
Seattle-Tacoma (SEA)
Effective 2025-06-15 through 2025-07-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:17, non-stop
Boeing 737 MAX 8 (7M8)
Alaska Airlines AS543
13:00
Dallas Fort Worth (DFW) E

15:17
Seattle-Tacoma (SEA)
Effective 2025-06-21 through 2025-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 4:17, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS543
13:00
Dallas Fort Worth (DFW) E

15:17
Seattle-Tacoma (SEA)
Effective 2025-07-02 through 2025-07-08
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:17, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS543
13:00
Dallas Fort Worth (DFW) E

15:17
Seattle-Tacoma (SEA)
Effective 2025-07-03 through 2025-07-10
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
-
Duration: 4:17, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS543
13:00
Dallas Fort Worth (DFW) E

15:17
Seattle-Tacoma (SEA)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:17, non-stop
Boeing 737 (73J)
Alaska Airlines AS543
13:00
Dallas Fort Worth (DFW) E

15:17
Seattle-Tacoma (SEA)
Effective 2025-07-11 through 2025-07-12
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 4:17, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS543
13:00
Dallas Fort Worth (DFW) E

15:15
Seattle-Tacoma (SEA)
Effective 2025-07-14 through 2025-08-11
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 4:15, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS543
13:00
Dallas Fort Worth (DFW) E

15:15
Seattle-Tacoma (SEA)
Effective 2025-07-15 through 2025-07-25
Mon
-
Tue
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 4:15, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS543
13:00
Dallas Fort Worth (DFW) E

15:15
Seattle-Tacoma (SEA)
Effective 2025-07-26 through 2025-08-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:15, non-stop
Boeing 737 (73J)
Alaska Airlines AS543
13:00
Dallas Fort Worth (DFW) E

15:15
Seattle-Tacoma (SEA)
Effective 2025-07-29 through 2025-08-08
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:15, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS543
13:00
Dallas Fort Worth (DFW) E

15:15
Seattle-Tacoma (SEA)
Effective 2025-08-12 through 2025-08-18
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Duration: 4:15, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS543
13:00
Dallas Fort Worth (DFW) E

15:15
Seattle-Tacoma (SEA)
Effective 2025-08-13 through 2025-08-19
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:15, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS543
13:02
Dallas Fort Worth (DFW) E

15:19
Seattle-Tacoma (SEA)
Effective 2025-08-21 through 2025-10-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 4:17, non-stop
Boeing 737 (73J)
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Parallax here DFW-SEA
  • AS 543 is a domestic flight departing from the Dallas Fort Worth airport (DFW) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 1657 miles, or 2667 km.
  • The timezone of the departure airport is UTC-6 (plus 1h DST), and the timezone of the arrival airport is UTC-8 (plus 1h DST). Current time at the point of departure is 4:16am, and 2:16am at the point of arrival. There is a -2 hour time difference between the airports.
  • For direct flights, the flight time varies between 4:15 and 4:32.
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All DFW-SEA flights
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