Alaska Airlines flight AS 503: Austin - Seattle-Tacoma

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FLIGHT SCHEDULE
Direct Flights:
Mon 11:44 Austin (AUS) 14:29 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:45 Operates only on 2026-01-12
Wed 12:30 Austin (AUS) 15:15 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:45 Operates only on 2026-01-07
Wed-Sun 12:30 Austin (AUS) 15:15 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 (73J) 4:45 Effective 2026-01-08 through 2026-01-14
Tue,Sat 12:30 Austin (AUS) 15:15 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737-800 (73H) 4:45 Effective 2026-01-13 through 2026-02-03
Mon,Thu 12:30 Austin (AUS) 15:15 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:45 Effective 2026-01-15 through 2026-01-19
Wed-Fri,Sun 12:30 Austin (AUS) 15:15 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 (73J) 4:45 Effective 2026-01-16 through 2026-01-28
Mon,Thu,Fri 12:30 Austin (AUS) 15:15 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:45 Effective 2026-01-26 through 2026-02-02
Wed-Fri,Sun 12:30 Austin (AUS) 15:15 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 (73J) 4:45 Effective 2026-02-01 through 2026-02-08
Sat 12:30 Austin (AUS) 15:15 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 MAX 8 (7M8) 4:45 Operates only on 2026-02-07
Mon,Wed 12:30 Austin (AUS) 15:15 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 (73J) 4:45 Effective 2026-02-09 through 2026-02-11
Tue 12:30 Austin (AUS) 15:15 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737-800 (73H) 4:45 Operates only on 2026-02-10
Mon,Tue,Sat,Sun 13:33 Austin (AUS) 16:20 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737-800 (73H) 4:47 Valid until 2026-01-05
Thu,Fri 13:33 Austin (AUS) 16:20 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 (73J) 4:47 Valid until 2026-01-02
Wed 13:35 Austin (AUS) 16:19 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 (73J) 4:44 Operates only on 2026-03-18
Daily 13:35 Austin (AUS) 16:15 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 (73J) 4:40 Effective 2026-03-19 through 2026-05-12
Daily 13:36 Austin (AUS) 16:05 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 (73J) 4:29 Effective from 2026-06-10
Tue,Thu 15:35 Austin (AUS) 18:20 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 (73J) 4:45 Effective 2026-02-12 through 2026-02-17
Mon,Thu-Sun 15:35 Austin (AUS) 18:20 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:45 Effective 2026-02-13 through 2026-03-01
Tue,Wed 15:35 Austin (AUS) 18:20 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737-800 (73H) 4:45 Effective 2026-02-18 through 2026-02-25
Mon,Tue,Thu,Sun 15:35 Austin (AUS) 18:20 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 (73J) 4:45 Effective 2026-03-02 through 2026-03-10
Wed 15:35 Austin (AUS) 18:20 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737-800 (73H) 4:45 Operates only on 2026-03-04
Wed-Fri 15:35 Austin (AUS) 18:20 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:45 Effective 2026-03-06 through 2026-03-12
Mon,Fri,Sat 15:35 Austin (AUS) 18:20 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 (73J) 4:45 Effective 2026-03-13 through 2026-03-16
Sun 15:35 Austin (AUS) 18:20 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737-800 (73H) 4:45 Operates only on 2026-03-15
Tue 15:35 Austin (AUS) 18:20 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:45 Operates only on 2026-03-17
Daily 18:22 Saint Louis (STL) 1 20:50 Seattle-Tacoma (SEA) AS 503 Non-stop Boeing 737 (73J) 4:28 Effective 2026-05-13 through 2026-06-09

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Parallax here AUS-SEA

AS 503 is a domestic flight departing from the Austin airport (AUS) and arriving at Seattle-Tacoma airport (SEA).
The flight distance is 1768 miles, or 2845 km.
The timezone of the departure airport is UTC-6 , 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 4:28 and 4:47.

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Alaska Airlines flight AS 503:
Austin - Seattle-Tacoma

Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat

FLIGHT SCHEDULE

Direct Flights:

Alaska Airlines AS503

11:44

Austin (AUS)

14:29

Seattle-Tacoma (SEA)

Operates only on 2026-01-12

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS503

12:30

Austin (AUS)

15:15

Seattle-Tacoma (SEA)

Operates only on 2026-01-07

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS503

12:30

Austin (AUS)

15:15

Seattle-Tacoma (SEA)

Effective 2026-01-08 through 2026-01-14

Mon
-

Tue
-

Wed

Thu

Fri

Sat

Sun

Duration: 4:45, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS503

12:30

Austin (AUS)

15:15

Seattle-Tacoma (SEA)

Effective 2026-01-13 through 2026-02-03

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS503

12:30

Austin (AUS)

15:15

Seattle-Tacoma (SEA)

Effective 2026-01-15 through 2026-01-19

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS503

12:30

Austin (AUS)

15:15

Seattle-Tacoma (SEA)

Effective 2026-01-16 through 2026-01-28

Mon
-

Tue
-

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:45, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS503

12:30

Austin (AUS)

15:15

Seattle-Tacoma (SEA)

Effective 2026-01-26 through 2026-02-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS503

12:30

Austin (AUS)

15:15

Seattle-Tacoma (SEA)

Effective 2026-02-01 through 2026-02-08

Mon
-

Tue
-

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:45, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS503

12:30

Austin (AUS)

15:15

Seattle-Tacoma (SEA)

Operates only on 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Alaska Airlines AS503

12:30

Austin (AUS)

15:15

Seattle-Tacoma (SEA)

Effective 2026-02-09 through 2026-02-11

Mon

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:45, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS503

12:30

Austin (AUS)

15:15

Seattle-Tacoma (SEA)

Operates only on 2026-02-10

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS503

13:33

Austin (AUS)

16:20

Seattle-Tacoma (SEA)

Valid until 2026-01-05

Mon

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 4:47, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS503

13:33

Austin (AUS)

16:20

Seattle-Tacoma (SEA)

Valid until 2026-01-02

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:47, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS503

13:35

Austin (AUS)

16:19

Seattle-Tacoma (SEA)

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:44, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS503

13:35

Austin (AUS)

16:15

Seattle-Tacoma (SEA)

Effective 2026-03-19 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:40, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS503

13:36

Austin (AUS)

16:05

Seattle-Tacoma (SEA)

Effective from 2026-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:29, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS503

15:35

Austin (AUS)

18:20

Seattle-Tacoma (SEA)

Effective 2026-02-12 through 2026-02-17

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:45, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS503

15:35

Austin (AUS)

18:20

Seattle-Tacoma (SEA)

Effective 2026-02-13 through 2026-03-01

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 4:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS503

15:35

Austin (AUS)

18:20

Seattle-Tacoma (SEA)

Effective 2026-02-18 through 2026-02-25

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS503

15:35

Austin (AUS)

18:20

Seattle-Tacoma (SEA)

Effective 2026-03-02 through 2026-03-10

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 4:45, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS503

15:35

Austin (AUS)

18:20

Seattle-Tacoma (SEA)

Operates only on 2026-03-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS503

15:35

Austin (AUS)

18:20

Seattle-Tacoma (SEA)

Effective 2026-03-06 through 2026-03-12

Mon
-

Tue
-

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 4:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS503

15:35

Austin (AUS)

18:20

Seattle-Tacoma (SEA)

Effective 2026-03-13 through 2026-03-16

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 4:45, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS503

15:35

Austin (AUS)

18:20

Seattle-Tacoma (SEA)

Operates only on 2026-03-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS503

15:35

Austin (AUS)

18:20

Seattle-Tacoma (SEA)

Operates only on 2026-03-17

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS503

18:22

Saint Louis (STL) 1

20:50

Seattle-Tacoma (SEA)

Effective 2026-05-13 through 2026-06-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:28, non-stop
Boeing 737 (73J)

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Parallax here AUS-SEA

AS 503 is a domestic flight departing from the Austin airport (AUS) and arriving at Seattle-Tacoma airport (SEA).
The flight distance is 1768 miles, or 2845 km.
The timezone of the departure airport is UTC-6 , 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 4:28 and 4:47.

All Alaska Airlines flights

All AUS-SEA flights

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