Alaska Airlines flight AS 503: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Wed,Sun 13:27 Austin (AUS) 16:06 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:39 Valid until 2025-05-04
Mon,Wed-Sat 13:27 Austin (AUS) 16:06 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 (73J) 4:39 Valid until 2025-05-07
Tue,Sun 13:27 Austin (AUS) 16:06 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:39 Effective 2025-05-06 through 2025-05-11
Thu,Sat 13:27 Austin (AUS) 16:06 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737-800 (73H) 4:39 Effective 2025-05-08 through 2025-05-10
Mon,Tue,Fri 13:27 Austin (AUS) 16:06 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 (73J) 4:39 Effective 2025-05-09 through 2025-05-13
Wed 13:27 Austin (AUS) 16:06 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:39 Operates only on 2025-05-14
Daily 13:35 Austin (AUS) 16:19 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 (73J) 4:44 Effective from 2025-10-04
Thu-Sat 13:36 Austin (AUS) 15:59 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737-800 (73H) 4:23 Effective 2025-06-12 through 2025-06-14
Sun 13:36 Austin (AUS) 15:59 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 (73J) 4:23 Effective 2025-06-15 through 2025-06-29
Mon-Sat 13:36 Austin (AUS) 15:59 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:23 Effective 2025-06-16 through 2025-07-02
Thu 13:36 Austin (AUS) 15:59 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 (73J) 4:23 Operates only on 2025-07-03
Daily 13:36 Austin (AUS) 15:59 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:23 Effective 2025-07-04 through 2025-07-10
Fri,Sat 13:36 Austin (AUS) 15:59 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 (73J) 4:23 Effective 2025-07-11 through 2025-07-12
Sun 13:36 Austin (AUS) 15:59 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 MAX 8 (7M8) 4:23 Operates only on 2025-07-13
Mon,Wed-Sat 13:36 Austin (AUS) 15:59 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:23 Effective 2025-07-14 through 2025-07-19
Tue 13:36 Austin (AUS) 15:59 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737-800 (73H) 4:23 Effective 2025-07-15 through 2025-07-29
Mon,Sat,Sun 13:36 Austin (AUS) 15:59 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 (73J) 4:23 Effective 2025-07-20 through 2025-07-27
Wed-Fri 13:36 Austin (AUS) 15:59 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:23 Effective 2025-07-23 through 2025-07-31
Mon 13:36 Austin (AUS) 15:59 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737-900 (739) 4:23 Operates only on 2025-07-28
Mon,Tue,Fri 13:36 Austin (AUS) 15:59 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737-800 (73H) 4:23 Effective 2025-08-01 through 2025-08-11
Wed,Sat 13:36 Austin (AUS) 15:59 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:23 Effective 2025-08-02 through 2025-08-09
Thu,Sun 13:36 Austin (AUS) 15:59 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 (73J) 4:23 Effective 2025-08-03 through 2025-08-10
Tue-Thu,Sat 13:36 Austin (AUS) 15:59 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:23 Effective 2025-08-12 through 2025-08-19
Fri 13:36 Austin (AUS) 15:59 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737-900 (739) 4:23 Operates only on 2025-08-15
Mon,Sun 13:36 Austin (AUS) 15:59 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737-800 (73H) 4:23 Effective 2025-08-17 through 2025-08-18
Daily 13:40 Austin (AUS) 16:07 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 (73J) 4:27 Effective 2025-08-20 through 2025-10-03
Daily 18:18 Saint Louis (STL) 1 20:45 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:27 Effective 2025-06-01 through 2025-06-10
Thu,Fri 18:22 Saint Louis (STL) 1 20:50 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 (73J) 4:28 Effective 2025-05-15 through 2025-05-16
Daily 18:22 Saint Louis (STL) 1 20:50 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:28 Effective 2025-05-17 through 2025-05-25
Mon 18:22 Saint Louis (STL) 1 20:50 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 (73J) 4:28 Operates only on 2025-05-26
Tue-Sat 18:22 Saint Louis (STL) 1 20:50 Seattle-Tacoma (SEA)
AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:28 Effective 2025-05-27 through 2025-05-31
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 503: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS503
13:27
Austin (AUS)

16:06
Seattle-Tacoma (SEA)
Valid until 2025-05-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:39, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS503
13:27
Austin (AUS)

16:06
Seattle-Tacoma (SEA)
Valid until 2025-05-07
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Duration: 4:39, non-stop
Boeing 737 (73J)
Alaska Airlines AS503
13:27
Austin (AUS)

16:06
Seattle-Tacoma (SEA)
Effective 2025-05-06 through 2025-05-11
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:39, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS503
13:27
Austin (AUS)

16:06
Seattle-Tacoma (SEA)
Effective 2025-05-08 through 2025-05-10
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 4:39, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS503
13:27
Austin (AUS)

16:06
Seattle-Tacoma (SEA)
Effective 2025-05-09 through 2025-05-13
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:39, non-stop
Boeing 737 (73J)
Alaska Airlines AS503
13:27
Austin (AUS)

16:06
Seattle-Tacoma (SEA)
Operates only on 2025-05-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:39, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS503
13:35
Austin (AUS)

16:19
Seattle-Tacoma (SEA)
Effective from 2025-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:44, non-stop
Boeing 737 (73J)
Alaska Airlines AS503
13:36
Austin (AUS)

15:59
Seattle-Tacoma (SEA)
Effective 2025-06-12 through 2025-06-14
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 4:23, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS503
13:36
Austin (AUS)

15:59
Seattle-Tacoma (SEA)
Effective 2025-06-15 through 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:23, non-stop
Boeing 737 (73J)
Alaska Airlines AS503
13:36
Austin (AUS)

15:59
Seattle-Tacoma (SEA)
Effective 2025-06-16 through 2025-07-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 4:23, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS503
13:36
Austin (AUS)

15:59
Seattle-Tacoma (SEA)
Operates only on 2025-07-03
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:23, non-stop
Boeing 737 (73J)
Alaska Airlines AS503
13:36
Austin (AUS)

15:59
Seattle-Tacoma (SEA)
Effective 2025-07-04 through 2025-07-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:23, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS503
13:36
Austin (AUS)

15:59
Seattle-Tacoma (SEA)
Effective 2025-07-11 through 2025-07-12
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 4:23, non-stop
Boeing 737 (73J)
Alaska Airlines AS503
13:36
Austin (AUS)

15:59
Seattle-Tacoma (SEA)
Operates only on 2025-07-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:23, non-stop
Boeing 737 MAX 8 (7M8)
Alaska Airlines AS503
13:36
Austin (AUS)

15:59
Seattle-Tacoma (SEA)
Effective 2025-07-14 through 2025-07-19
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Duration: 4:23, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS503
13:36
Austin (AUS)

15:59
Seattle-Tacoma (SEA)
Effective 2025-07-15 through 2025-07-29
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:23, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS503
13:36
Austin (AUS)

15:59
Seattle-Tacoma (SEA)
Effective 2025-07-20 through 2025-07-27
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 4:23, non-stop
Boeing 737 (73J)
Alaska Airlines AS503
13:36
Austin (AUS)

15:59
Seattle-Tacoma (SEA)
Effective 2025-07-23 through 2025-07-31
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:23, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS503
13:36
Austin (AUS)

15:59
Seattle-Tacoma (SEA)
Operates only on 2025-07-28
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:23, non-stop
Boeing 737-900 (739)
Alaska Airlines AS503
13:36
Austin (AUS)

15:59
Seattle-Tacoma (SEA)
Effective 2025-08-01 through 2025-08-11
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:23, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS503
13:36
Austin (AUS)

15:59
Seattle-Tacoma (SEA)
Effective 2025-08-02 through 2025-08-09
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:23, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS503
13:36
Austin (AUS)

15:59
Seattle-Tacoma (SEA)
Effective 2025-08-03 through 2025-08-10
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 4:23, non-stop
Boeing 737 (73J)
Alaska Airlines AS503
13:36
Austin (AUS)

15:59
Seattle-Tacoma (SEA)
Effective 2025-08-12 through 2025-08-19
Mon
-
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Duration: 4:23, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS503
13:36
Austin (AUS)

15:59
Seattle-Tacoma (SEA)
Operates only on 2025-08-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:23, non-stop
Boeing 737-900 (739)
Alaska Airlines AS503
13:36
Austin (AUS)

15:59
Seattle-Tacoma (SEA)
Effective 2025-08-17 through 2025-08-18
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:23, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS503
13:40
Austin (AUS)

16:07
Seattle-Tacoma (SEA)
Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:27, non-stop
Boeing 737 (73J)
Alaska Airlines AS503
18:18
Saint Louis (STL) 1

20:45
Seattle-Tacoma (SEA)
Effective 2025-06-01 through 2025-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:27, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS503
18:22
Saint Louis (STL) 1

20:50
Seattle-Tacoma (SEA)
Effective 2025-05-15 through 2025-05-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:28, non-stop
Boeing 737 (73J)
Alaska Airlines AS503
18:22
Saint Louis (STL) 1

20:50
Seattle-Tacoma (SEA)
Effective 2025-05-17 through 2025-05-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:28, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS503
18:22
Saint Louis (STL) 1

20:50
Seattle-Tacoma (SEA)
Operates only on 2025-05-26
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:28, non-stop
Boeing 737 (73J)
Alaska Airlines AS503
18:22
Saint Louis (STL) 1

20:50
Seattle-Tacoma (SEA)
Effective 2025-05-27 through 2025-05-31
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 4:28, non-stop
Boeing 737 MAX 9 (7M9)
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Parallax here -
This flight number is listed as serving the following routes:
  • Austin (AUS) - Seattle-Tacoma (SEA)
  • Saint Louis (STL) - Seattle-Tacoma (SEA)
All Alaska Airlines flights
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- CACHE: False - LANG: en - IS_EU: False