Alaska Airlines flight AS 343: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 06:00 Chicago O'Hare (ORD) 2 08:39 Seattle-Tacoma (SEA)
AS 343 Non-stop Boeing 737 (73J) 4:39 Effective from 2026-06-10
Wed,Thu 12:46 Boise (BOI) 13:19 Portland (PDX)
AS 343 Non-stop Boeing 737-800 (73H) 1:33 Effective 2026-01-07 through 2026-01-08
Mon,Fri 12:46 Boise (BOI) 13:19 Portland (PDX)
AS 343 Non-stop Boeing 737 MAX 9 (7M9) 1:33 Effective 2026-01-09 through 2026-01-12
Tue-Fri,Sun 12:46 Boise (BOI) 13:19 Portland (PDX)
AS 343 Non-stop Boeing 737 (73J) 1:33 Effective 2026-01-11 through 2026-01-18
Mon-Fri,Sun 12:46 Boise (BOI) 13:19 Portland (PDX)
AS 343 Non-stop Boeing 737 (73J) 1:33 Effective 2026-01-19 through 2026-01-27
Wed,Thu 12:46 Boise (BOI) 13:19 Portland (PDX)
AS 343 Non-stop Boeing 737-800 (73H) 1:33 Effective 2026-01-28 through 2026-01-29
Fri 12:46 Boise (BOI) 13:19 Portland (PDX)
AS 343 Non-stop Boeing 737 MAX 9 (7M9) 1:33 Operates only on 2026-01-30
Mon-Fri,Sun 12:46 Boise (BOI) 13:19 Portland (PDX)
AS 343 Non-stop Boeing 737 (73J) 1:33 Effective 2026-02-01 through 2026-02-11
Wed 13:30 Boise (BOI) 13:49 Portland (PDX)
AS 343 Non-stop Boeing 737 (73J) 1:19 Operates only on 2026-03-18
Daily 13:30 Boise (BOI) 13:48 Portland (PDX)
AS 343 Non-stop Boeing 737 (73J) 1:18 Effective 2026-03-19 through 2026-05-12
Sat 13:57 Albuquerque (ABQ) 16:19 Seattle-Tacoma (SEA)
AS 343 Non-stop Boeing 737 MAX 9 (7M9) 3:22 Operates only on 2026-03-07
Daily 23:08 Kahului (OGG) 07:30 San Diego (SAN) 2
AS 343 Non-stop Boeing 737 (73J) 5:22 Effective 2026-05-13 through 2026-06-09
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
Alaska Airlines flight AS 343: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Alaska Airlines AS343
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:39, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS343
Effective 2026-01-07 through 2026-01-08
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:33, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS343
Effective 2026-01-09 through 2026-01-12
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:33, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS343
Effective 2026-01-11 through 2026-01-18
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:33, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS343
Effective 2026-01-19 through 2026-01-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:33, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS343
Effective 2026-01-28 through 2026-01-29
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:33, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS343
Operates only on 2026-01-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:33, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS343
Effective 2026-02-01 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:33, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS343
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:19, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS343
Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:18, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS343
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:22, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS343
23:08

07:30(+1)
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:22, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Albuquerque (ABQ) - Seattle-Tacoma (SEA)
  • Boise (BOI) - Portland (PDX)
  • Chicago O'Hare (ORD) - Seattle-Tacoma (SEA)
  • Kahului (OGG) - San Diego (SAN)