Alaska Airlines flight AS 688: Seattle-Tacoma - San Francisco

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 16:50 Seattle-Tacoma (SEA) 19:20 Las Vegas Harry Reid (LAS) 3
AS 688 Non-stop Boeing 737 (73J) 2:30 Effective 2026-05-13 through 2026-06-09
Daily 16:59 Seattle-Tacoma (SEA) 19:37 Las Vegas Harry Reid (LAS) 3
AS 688 Non-stop Boeing 737 (73J) 2:38 Effective 2026-06-10 through 2026-08-18
Mon-Wed,Fri,Sun 17:59 Seattle-Tacoma (SEA) 20:17 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737 (73J) 2:18 Valid until 2026-01-06
Thu 17:59 Seattle-Tacoma (SEA) 20:17 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737 MAX 8 (7M8) 2:18 Operates only on 2026-01-01
Mon-Wed,Sun 17:59 Seattle-Tacoma (SEA) 20:12 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737 (73J) 2:13 Effective 2026-01-07 through 2026-01-14
Thu,Fri 17:59 Seattle-Tacoma (SEA) 20:12 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737-800 (73H) 2:13 Effective 2026-01-08 through 2026-01-09
Thu,Sat 17:59 Seattle-Tacoma (SEA) 20:12 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737 MAX 9 (7M9) 2:13 Effective 2026-01-10 through 2026-01-15
Mon-Wed,Fri,Sun 17:59 Seattle-Tacoma (SEA) 20:12 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737 (73J) 2:13 Effective 2026-01-16 through 2026-01-23
Thu,Sat 17:59 Seattle-Tacoma (SEA) 20:12 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737-800 (73H) 2:13 Effective 2026-01-17 through 2026-01-22
Mon-Wed,Sat,Sun 17:59 Seattle-Tacoma (SEA) 20:12 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737 (73J) 2:13 Effective 2026-01-24 through 2026-02-04
Thu 17:59 Seattle-Tacoma (SEA) 20:12 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737 MAX 9 (7M9) 2:13 Operates only on 2026-01-29
Thu,Fri 17:59 Seattle-Tacoma (SEA) 20:12 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737-800 (73H) 2:13 Effective 2026-01-30 through 2026-02-05
Fri,Sat 17:59 Seattle-Tacoma (SEA) 20:12 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737 (73J) 2:13 Effective 2026-02-06 through 2026-02-07
Mon,Sun 17:59 Seattle-Tacoma (SEA) 20:12 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737-800 (73H) 2:13 Effective 2026-02-08 through 2026-02-09
Tue,Wed 17:59 Seattle-Tacoma (SEA) 20:12 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737 MAX 9 (7M9) 2:13 Effective 2026-02-10 through 2026-02-11
Wed 18:00 Seattle-Tacoma (SEA) 20:18 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737 (73J) 2:18 Operates only on 2026-03-18
Daily 18:00 Seattle-Tacoma (SEA) 20:10 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737 (73J) 2:10 Effective 2026-03-19 through 2026-05-12
Mon,Tue,Thu,Fri,Sun 18:21 Seattle-Tacoma (SEA) 20:36 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737 (73J) 2:15 Effective 2026-02-12 through 2026-02-20
Sat 18:21 Seattle-Tacoma (SEA) 20:36 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737 MAX 9 (7M9) 2:15 Operates only on 2026-02-14
Mon,Tue,Thu-Sat 18:21 Seattle-Tacoma (SEA) 20:36 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737 (73J) 2:15 Effective 2026-02-21 through 2026-02-28
Sun 18:21 Seattle-Tacoma (SEA) 20:36 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737-800 (73H) 2:15 Operates only on 2026-02-22
Mon,Tue,Thu-Sun 18:21 Seattle-Tacoma (SEA) 20:36 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737 (73J) 2:15 Effective 2026-03-01 through 2026-03-13
Wed 18:21 Seattle-Tacoma (SEA) 20:36 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Operates only on 2026-03-11
Tue,Sun 18:21 Seattle-Tacoma (SEA) 20:36 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737 (73J) 2:15 Effective 2026-03-15 through 2026-03-17
Mon 18:21 Seattle-Tacoma (SEA) 20:36 San Francisco (SFO) 1
AS 688 Non-stop Boeing 737 MAX 9 (7M9) 2:15 Operates only on 2026-03-16
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Parallax here SEA-SFO


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Alaska Airlines flight AS 688:
Seattle-Tacoma - San Francisco
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS688
16:50
Seattle-Tacoma (SEA)

19:20
Las Vegas Harry Reid (LAS) 3
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:30, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS688
16:59
Seattle-Tacoma (SEA)

19:37
Las Vegas Harry Reid (LAS) 3
Effective 2026-06-10 through 2026-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:38, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS688
17:59
Seattle-Tacoma (SEA)

20:17
San Francisco (SFO) 1
Valid until 2026-01-06
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 2:18, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS688
17:59
Seattle-Tacoma (SEA)

20:17
San Francisco (SFO) 1
Operates only on 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:18, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Alaska Airlines AS688
17:59
Seattle-Tacoma (SEA)

20:12
San Francisco (SFO) 1
Effective 2026-01-07 through 2026-01-14
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:13, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS688
17:59
Seattle-Tacoma (SEA)

20:12
San Francisco (SFO) 1
Effective 2026-01-08 through 2026-01-09
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:13, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS688
17:59
Seattle-Tacoma (SEA)

20:12
San Francisco (SFO) 1
Effective 2026-01-10 through 2026-01-15
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 2:13, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS688
17:59
Seattle-Tacoma (SEA)

20:12
San Francisco (SFO) 1
Effective 2026-01-16 through 2026-01-23
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 2:13, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS688
17:59
Seattle-Tacoma (SEA)

20:12
San Francisco (SFO) 1
Effective 2026-01-17 through 2026-01-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 2:13, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS688
17:59
Seattle-Tacoma (SEA)

20:12
San Francisco (SFO) 1
Effective 2026-01-24 through 2026-02-04
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 2:13, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS688
17:59
Seattle-Tacoma (SEA)

20:12
San Francisco (SFO) 1
Operates only on 2026-01-29
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:13, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS688
17:59
Seattle-Tacoma (SEA)

20:12
San Francisco (SFO) 1
Effective 2026-01-30 through 2026-02-05
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:13, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS688
17:59
Seattle-Tacoma (SEA)

20:12
San Francisco (SFO) 1
Effective 2026-02-06 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 2:13, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS688
17:59
Seattle-Tacoma (SEA)

20:12
San Francisco (SFO) 1
Effective 2026-02-08 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:13, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS688
17:59
Seattle-Tacoma (SEA)

20:12
San Francisco (SFO) 1
Effective 2026-02-10 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:13, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS688
18:00
Seattle-Tacoma (SEA)

20:18
San Francisco (SFO) 1
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:18, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS688
18:00
Seattle-Tacoma (SEA)

20:10
San Francisco (SFO) 1
Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:10, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS688
18:21
Seattle-Tacoma (SEA)

20:36
San Francisco (SFO) 1
Effective 2026-02-12 through 2026-02-20
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS688
18:21
Seattle-Tacoma (SEA)

20:36
San Francisco (SFO) 1
Operates only on 2026-02-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS688
18:21
Seattle-Tacoma (SEA)

20:36
San Francisco (SFO) 1
Effective 2026-02-21 through 2026-02-28
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS688
18:21
Seattle-Tacoma (SEA)

20:36
San Francisco (SFO) 1
Operates only on 2026-02-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS688
18:21
Seattle-Tacoma (SEA)

20:36
San Francisco (SFO) 1
Effective 2026-03-01 through 2026-03-13
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:15, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS688
18:21
Seattle-Tacoma (SEA)

20:36
San Francisco (SFO) 1
Operates only on 2026-03-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Alaska Airlines AS688
18:21
Seattle-Tacoma (SEA)

20:36
San Francisco (SFO) 1
Effective 2026-03-15 through 2026-03-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS688
18:21
Seattle-Tacoma (SEA)

20:36
San Francisco (SFO) 1
Operates only on 2026-03-16
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 9 (7M9)
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Parallax here SEA-SFO
  • AS 688 is a domestic flight departing from the Seattle-Tacoma airport (SEA) and arriving at San Francisco airport (SFO).
  • The flight distance is 679 miles, or 1092 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 2:10 and 2:38.
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