Alaska Airlines flight AS 523: San Jose - Seattle-Tacoma

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FLIGHT SCHEDULE
Direct Flights:
Daily 14:26 Reno (RNO) 16:27 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737 (73J) 2:01 Effective 2026-05-13 through 2026-06-09
Mon,Thu-Sat 16:59 San Jose (SJC) B 19:16 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737 (73J) 2:17 Effective 2026-02-12 through 2026-02-21
Tue,Wed,Sun 16:59 San Jose (SJC) B 19:16 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737-800 (73H) 2:17 Effective 2026-02-15 through 2026-02-18
Sun 16:59 San Jose (SJC) B 19:16 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737 MAX 9 (7M9) 2:17 Operates only on 2026-02-22
Mon,Wed 16:59 San Jose (SJC) B 19:16 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737-800 (73H) 2:17 Effective 2026-02-23 through 2026-02-25
Tue 16:59 San Jose (SJC) B 19:16 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737 MAX 8 (7M8) 2:17 Operates only on 2026-02-24
Mon,Thu-Sun 16:59 San Jose (SJC) B 19:16 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737 (73J) 2:17 Effective 2026-02-26 through 2026-03-06
Tue,Wed,Sat 16:59 San Jose (SJC) B 19:16 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737-800 (73H) 2:17 Effective 2026-03-03 through 2026-03-10
Mon,Thu-Sun 16:59 San Jose (SJC) B 19:16 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737 (73J) 2:17 Effective 2026-03-09 through 2026-03-16
Wed 16:59 San Jose (SJC) B 19:16 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737 MAX 9 (7M9) 2:17 Operates only on 2026-03-11
Tue 16:59 San Jose (SJC) B 19:16 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737-800 (73H) 2:17 Operates only on 2026-03-17
Wed 17:00 San Jose (SJC) B 19:10 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737 (73J) 2:10 Operates only on 2026-03-18
Daily 17:00 San Jose (SJC) B 19:11 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737 (73J) 2:11 Effective 2026-03-19 through 2026-05-12
Mon,Fri 17:57 San Jose (SJC) B 20:14 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737 MAX 9 (7M9) 2:17 Valid until 2026-01-02
Tue 17:57 San Jose (SJC) B 20:14 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737-800 (73H) 2:17 Valid until 2026-01-06
Mon,Wed,Thu,Sat,Sun 17:57 San Jose (SJC) B 20:14 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737 (73J) 2:17 Valid until 2026-01-05
Daily 18:02 San Jose (SJC) B 20:20 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737 (73J) 2:18 Effective 2026-01-07 through 2026-01-19
Tue,Fri,Sat 18:02 San Jose (SJC) B 20:20 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737 MAX 9 (7M9) 2:18 Effective 2026-01-20 through 2026-01-24
Wed,Thu 18:02 San Jose (SJC) B 20:20 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737-800 (73H) 2:18 Effective 2026-01-21 through 2026-01-22
Daily 18:02 San Jose (SJC) B 20:20 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737 (73J) 2:18 Effective 2026-01-25 through 2026-02-02
Tue 18:02 San Jose (SJC) B 20:20 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737 MAX 8 (7M8) 2:18 Operates only on 2026-02-03
Mon,Wed-Fri,Sun 18:02 San Jose (SJC) B 20:20 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737 (73J) 2:18 Effective 2026-02-04 through 2026-02-09
Tue,Sat 18:02 San Jose (SJC) B 20:20 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737 MAX 9 (7M9) 2:18 Effective 2026-02-07 through 2026-02-10
Wed 18:02 San Jose (SJC) B 20:20 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737-800 (73H) 2:18 Operates only on 2026-02-11
Daily 18:40 Reno (RNO) 20:39 Seattle-Tacoma (SEA)
AS 523 Non-stop Boeing 737 (73J) 1:59 Effective from 2026-06-10
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Alaska Airlines flight AS 523:
San Jose - Seattle-Tacoma
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Alaska Airlines AS523
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:01, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS523
Effective 2026-02-12 through 2026-02-21
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 2:17, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS523
Effective 2026-02-15 through 2026-02-18
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:17, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS523
Operates only on 2026-02-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:17, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS523
Effective 2026-02-23 through 2026-02-25
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:17, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS523
Operates only on 2026-02-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:17, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Alaska Airlines AS523
Effective 2026-02-26 through 2026-03-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:17, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS523
Effective 2026-03-03 through 2026-03-10
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:17, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS523
Effective 2026-03-09 through 2026-03-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:17, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS523
Operates only on 2026-03-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:17, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS523
Operates only on 2026-03-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:17, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS523
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS523
Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:11, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS523
Valid until 2026-01-02
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:17, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS523
Valid until 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:17, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS523
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Duration: 2:17, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS523
Effective 2026-01-07 through 2026-01-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:18, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS523
Effective 2026-01-20 through 2026-01-24
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 2:18, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS523
Effective 2026-01-21 through 2026-01-22
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:18, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS523
Effective 2026-01-25 through 2026-02-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:18, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS523
Operates only on 2026-02-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:18, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Alaska Airlines AS523
Effective 2026-02-04 through 2026-02-09
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:18, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS523
Effective 2026-02-07 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:18, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS523
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:18, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS523
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:59, non-stop
Boeing 737 (73J)
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  • AS 523 is a domestic flight departing from the San Jose airport (SJC) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 697 miles, or 1122 km.
  • The timezone of both the departure and the arrival airports is UTC-8 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:59 and 2:18.