Alaska Airlines flight AS 631: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 06:00 San Francisco (SFO) 1 14:38 Newark Liberty, New York (EWR) B
AS 631 Non-stop Boeing 737 (73J) 5:38 Effective 2026-03-19 through 2026-05-12
Daily 10:00 New York John F. Kennedy (JFK) 8 13:06 Portland (PDX)
AS 631 Non-stop Boeing 737 (73J) 6:06 Effective from 2026-06-10
Daily 11:12 Salt Lake City (SLC) 12:25 Seattle-Tacoma (SEA)
AS 631 Non-stop Boeing 737 (73J) 2:13 Effective 2026-05-13 through 2026-06-09
Mon,Tue,Fri-Sun 18:45 Seattle-Tacoma (SEA) 21:30 Santa Ana (SNA)
AS 631 Non-stop Boeing 737-800 (73H) 2:45 Valid until 2026-01-06
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 631: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS631
06:00
San Francisco (SFO) 1

14:38
Newark Liberty, New York (EWR) B
Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:38, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS631
10:00
New York John F. Kennedy (JFK) 8

13:06
Portland (PDX)
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:06, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS631
11:12
Salt Lake City (SLC)

12:25
Seattle-Tacoma (SEA)
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:13, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS631
18:45
Seattle-Tacoma (SEA)

21:30
Santa Ana (SNA)
Valid until 2026-01-06
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 2:45, non-stop
Boeing 737-800 (73H)
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This flight number is listed as serving the following routes:
  • New York John F. Kennedy (JFK) - Portland (PDX)
  • Salt Lake City (SLC) - Seattle-Tacoma (SEA)
  • San Francisco (SFO) - Newark Liberty, New York (EWR)
  • Seattle-Tacoma (SEA) - Santa Ana (SNA)
All Alaska Airlines flights
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