Alaska Airlines flight AS 3431: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 10:00 Seattle-Tacoma (SEA) 10:55 Portland (PDX)
AS 3431 Non-stop Embraer EMB 175 (E75) 0:55 Effective 2025-10-04 through 2026-01-06
Daily 10:34 Portland (PDX) 11:31 Seattle-Tacoma (SEA)
AS 3431 Non-stop Embraer EMB 175 (E75) 0:57 Effective 2025-05-15 through 2025-06-11
Daily 10:40 Portland (PDX) 11:40 Seattle-Tacoma (SEA)
AS 3431 Non-stop Embraer EMB 175 (E75) 1:00 Effective 2025-06-12 through 2025-08-19
Daily 10:40 Portland (PDX) 11:45 Seattle-Tacoma (SEA)
AS 3431 Non-stop Embraer EMB 175 (E75) 1:05 Effective 2025-08-20 through 2025-10-03
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 3431: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS3431
10:00
Seattle-Tacoma (SEA)

10:55
Portland (PDX)
Effective 2025-10-04 through 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:55, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS3431
10:34
Portland (PDX)

11:31
Seattle-Tacoma (SEA)
Effective 2025-05-15 through 2025-06-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:57, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS3431
10:40
Portland (PDX)

11:40
Seattle-Tacoma (SEA)
Effective 2025-06-12 through 2025-08-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:00, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS3431
10:40
Portland (PDX)

11:45
Seattle-Tacoma (SEA)
Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:05, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Portland (PDX) - Seattle-Tacoma (SEA)
All Alaska Airlines flights
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