Alaska Airlines flight AS 634: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:00 Seattle-Tacoma (SEA) 10:11 San Francisco (SFO) 1
AS 634 Non-stop Boeing 737 (73J) 2:11 Effective 2026-05-13 through 2026-06-09
Tue 10:30 San Francisco (SFO) 1 12:12 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737-800 (73H) 1:42 Effective 2026-01-13 through 2026-01-20
Tue 10:30 San Francisco (SFO) 1 12:12 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737 (73J) 1:42 Operates only on 2026-01-27
Tue 10:30 San Francisco (SFO) 1 12:12 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737-800 (73H) 1:42 Operates only on 2026-02-03
Tue 10:30 San Francisco (SFO) 1 12:12 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737 (73J) 1:42 Operates only on 2026-02-10
Sat 12:00 San Francisco (SFO) 1 13:42 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737 MAX 8 (7M8) 1:42 Operates only on 2026-02-14
Sat 12:00 San Francisco (SFO) 1 13:42 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737-800 (73H) 1:42 Effective 2026-02-21 through 2026-02-28
Sat 12:00 San Francisco (SFO) 1 13:42 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737 (73J) 1:42 Operates only on 2026-03-07
Sat 12:00 San Francisco (SFO) 1 13:42 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737-800 (73H) 1:42 Operates only on 2026-03-14
Wed 12:05 San Francisco (SFO) 1 13:35 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737 (73J) 1:30 Operates only on 2026-03-18
Thu 13:12 San Francisco (SFO) 1 14:54 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737 (73J) 1:42 Operates only on 2026-02-12
Fri 13:12 San Francisco (SFO) 1 14:54 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737 MAX 8 (7M8) 1:42 Operates only on 2026-02-13
Mon,Thu,Fri,Sun 13:12 San Francisco (SFO) 1 14:54 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737-800 (73H) 1:42 Effective 2026-02-15 through 2026-02-22
Mon,Sun 13:12 San Francisco (SFO) 1 14:54 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737 (73J) 1:42 Effective 2026-02-23 through 2026-03-01
Mon,Thu,Fri 13:12 San Francisco (SFO) 1 14:54 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737-800 (73H) 1:42 Effective 2026-02-26 through 2026-03-06
Tue,Sun 13:12 San Francisco (SFO) 1 14:54 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737-800 (73H) 1:42 Effective 2026-03-08 through 2026-03-15
Mon,Thu 13:12 San Francisco (SFO) 1 14:54 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737 MAX 8 (7M8) 1:42 Effective 2026-03-09 through 2026-03-12
Mon-Wed,Fri 13:12 San Francisco (SFO) 1 14:54 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737 (73J) 1:42 Effective 2026-03-11 through 2026-03-17
Daily 13:12 San Francisco (SFO) 1 14:50 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737 (73J) 1:38 Effective 2026-03-19 through 2026-05-12
Wed,Thu 13:19 San Francisco (SFO) 1 15:00 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737 MAX 9 (7M9) 1:41 Effective 2026-01-08 through 2026-01-14
Mon,Thu-Sun 13:19 San Francisco (SFO) 1 15:00 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737 (73J) 1:41 Effective 2026-01-09 through 2026-01-19
Mon,Wed-Fri,Sun 13:19 San Francisco (SFO) 1 15:00 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737 (73J) 1:41 Effective 2026-01-21 through 2026-01-30
Sat 13:19 San Francisco (SFO) 1 15:00 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737 MAX 9 (7M9) 1:41 Operates only on 2026-01-24
Mon,Thu-Sun 13:19 San Francisco (SFO) 1 15:00 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737 (73J) 1:41 Effective 2026-01-31 through 2026-02-09
Wed 13:19 San Francisco (SFO) 1 15:00 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737-800 (73H) 1:41 Operates only on 2026-02-04
Wed 13:19 San Francisco (SFO) 1 15:00 Las Vegas Harry Reid (LAS) 3
AS 634 Non-stop Boeing 737 MAX 9 (7M9) 1:41 Operates only on 2026-02-11
Wed 14:35 Las Vegas Harry Reid (LAS) 3 16:08 San Francisco (SFO) 1
AS 634 Non-stop Boeing 737 (73J) 1:33 Operates only on 2026-03-18
Daily 15:39 Las Vegas Harry Reid (LAS) 3 17:22 San Francisco (SFO) 1
AS 634 Non-stop Boeing 737 (73J) 1:43 Effective from 2026-06-10
Daily 15:42 Las Vegas Harry Reid (LAS) 3 17:22 San Francisco (SFO) 1
AS 634 Non-stop Boeing 737 (73J) 1:40 Effective 2026-03-19 through 2026-04-21
Thu 15:50 Las Vegas Harry Reid (LAS) 3 17:34 San Francisco (SFO) 1
AS 634 Non-stop Boeing 737 (73J) 1:44 Operates only on 2026-02-12
Fri,Sat 15:50 Las Vegas Harry Reid (LAS) 3 17:34 San Francisco (SFO) 1
AS 634 Non-stop Boeing 737 MAX 8 (7M8) 1:44 Effective 2026-02-13 through 2026-02-14
Mon,Thu-Sun 15:50 Las Vegas Harry Reid (LAS) 3 17:34 San Francisco (SFO) 1
AS 634 Non-stop Boeing 737-800 (73H) 1:44 Effective 2026-02-15 through 2026-02-22
Mon,Sun 15:50 Las Vegas Harry Reid (LAS) 3 17:34 San Francisco (SFO) 1
AS 634 Non-stop Boeing 737 (73J) 1:44 Effective 2026-02-23 through 2026-03-01
Mon,Thu-Sat 15:50 Las Vegas Harry Reid (LAS) 3 17:34 San Francisco (SFO) 1
AS 634 Non-stop Boeing 737-800 (73H) 1:44 Effective 2026-02-26 through 2026-03-06
Wed,Fri,Sat 15:50 Las Vegas Harry Reid (LAS) 3 17:34 San Francisco (SFO) 1
AS 634 Non-stop Boeing 737 (73J) 1:44 Effective 2026-03-07 through 2026-03-13
Tue,Sat,Sun 15:50 Las Vegas Harry Reid (LAS) 3 17:34 San Francisco (SFO) 1
AS 634 Non-stop Boeing 737-800 (73H) 1:44 Effective 2026-03-08 through 2026-03-15
Mon,Thu 15:50 Las Vegas Harry Reid (LAS) 3 17:34 San Francisco (SFO) 1
AS 634 Non-stop Boeing 737 MAX 8 (7M8) 1:44 Effective 2026-03-09 through 2026-03-12
Mon,Tue 15:50 Las Vegas Harry Reid (LAS) 3 17:34 San Francisco (SFO) 1
AS 634 Non-stop Boeing 737 (73J) 1:44 Effective 2026-03-16 through 2026-03-17
Mon,Tue,Fri,Sat 16:16 Las Vegas Harry Reid (LAS) 3 18:02 San Francisco (SFO) 1
AS 634 Non-stop Boeing 737 (73J) 1:46 Valid until 2026-01-06
Thu,Sun 16:16 Las Vegas Harry Reid (LAS) 3 18:02 San Francisco (SFO) 1
AS 634 Non-stop Boeing 737-800 (73H) 1:46 Valid until 2026-01-04
Daily 18:00 Las Vegas Harry Reid (LAS) 3 19:40 San Francisco (SFO) 1
AS 634 Non-stop Boeing 737 (73J) 1:40 Effective 2026-04-22 through 2026-05-12
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 634: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS634
08:00
Seattle-Tacoma (SEA)

10:11
San Francisco (SFO) 1
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:11, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
10:30
San Francisco (SFO) 1

12:12
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-13 through 2026-01-20
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:42, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS634
10:30
San Francisco (SFO) 1

12:12
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-01-27
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:42, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
10:30
San Francisco (SFO) 1

12:12
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-02-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:42, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS634
10:30
San Francisco (SFO) 1

12:12
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:42, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
12:00
San Francisco (SFO) 1

13:42
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-02-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:42, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Alaska Airlines AS634
12:00
San Francisco (SFO) 1

13:42
Las Vegas Harry Reid (LAS) 3
Effective 2026-02-21 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:42, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS634
12:00
San Francisco (SFO) 1

13:42
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:42, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
12:00
San Francisco (SFO) 1

13:42
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-03-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:42, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS634
12:05
San Francisco (SFO) 1

13:35
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
13:12
San Francisco (SFO) 1

14:54
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:42, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
13:12
San Francisco (SFO) 1

14:54
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-02-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:42, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Alaska Airlines AS634
13:12
San Francisco (SFO) 1

14:54
Las Vegas Harry Reid (LAS) 3
Effective 2026-02-15 through 2026-02-22
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:42, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS634
13:12
San Francisco (SFO) 1

14:54
Las Vegas Harry Reid (LAS) 3
Effective 2026-02-23 through 2026-03-01
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:42, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
13:12
San Francisco (SFO) 1

14:54
Las Vegas Harry Reid (LAS) 3
Effective 2026-02-26 through 2026-03-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:42, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS634
13:12
San Francisco (SFO) 1

14:54
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-08 through 2026-03-15
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:42, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS634
13:12
San Francisco (SFO) 1

14:54
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-09 through 2026-03-12
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:42, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Alaska Airlines AS634
13:12
San Francisco (SFO) 1

14:54
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-11 through 2026-03-17
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:42, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
13:12
San Francisco (SFO) 1

14:50
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:38, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
13:19
San Francisco (SFO) 1

15:00
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-08 through 2026-01-14
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:41, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS634
13:19
San Francisco (SFO) 1

15:00
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-09 through 2026-01-19
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
13:19
San Francisco (SFO) 1

15:00
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-21 through 2026-01-30
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:41, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
13:19
San Francisco (SFO) 1

15:00
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-01-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:41, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS634
13:19
San Francisco (SFO) 1

15:00
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-31 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
13:19
San Francisco (SFO) 1

15:00
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-02-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:41, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS634
13:19
San Francisco (SFO) 1

15:00
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:41, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS634
14:35
Las Vegas Harry Reid (LAS) 3

16:08
San Francisco (SFO) 1
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:33, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
15:39
Las Vegas Harry Reid (LAS) 3

17:22
San Francisco (SFO) 1
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
15:42
Las Vegas Harry Reid (LAS) 3

17:22
San Francisco (SFO) 1
Effective 2026-03-19 through 2026-04-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
15:50
Las Vegas Harry Reid (LAS) 3

17:34
San Francisco (SFO) 1
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:44, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
15:50
Las Vegas Harry Reid (LAS) 3

17:34
San Francisco (SFO) 1
Effective 2026-02-13 through 2026-02-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 1:44, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Alaska Airlines AS634
15:50
Las Vegas Harry Reid (LAS) 3

17:34
San Francisco (SFO) 1
Effective 2026-02-15 through 2026-02-22
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 1:44, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS634
15:50
Las Vegas Harry Reid (LAS) 3

17:34
San Francisco (SFO) 1
Effective 2026-02-23 through 2026-03-01
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:44, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
15:50
Las Vegas Harry Reid (LAS) 3

17:34
San Francisco (SFO) 1
Effective 2026-02-26 through 2026-03-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 1:44, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS634
15:50
Las Vegas Harry Reid (LAS) 3

17:34
San Francisco (SFO) 1
Effective 2026-03-07 through 2026-03-13
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 1:44, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
15:50
Las Vegas Harry Reid (LAS) 3

17:34
San Francisco (SFO) 1
Effective 2026-03-08 through 2026-03-15
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 1:44, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS634
15:50
Las Vegas Harry Reid (LAS) 3

17:34
San Francisco (SFO) 1
Effective 2026-03-09 through 2026-03-12
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:44, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Alaska Airlines AS634
15:50
Las Vegas Harry Reid (LAS) 3

17:34
San Francisco (SFO) 1
Effective 2026-03-16 through 2026-03-17
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:44, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
16:16
Las Vegas Harry Reid (LAS) 3

18:02
San Francisco (SFO) 1
Valid until 2026-01-06
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 1:46, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS634
16:16
Las Vegas Harry Reid (LAS) 3

18:02
San Francisco (SFO) 1
Valid until 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 1:46, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS634
18:00
Las Vegas Harry Reid (LAS) 3

19:40
San Francisco (SFO) 1
Effective 2026-04-22 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Boeing 737 (73J)
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This flight number is listed as serving the following routes:
  • Las Vegas Harry Reid (LAS) - San Francisco (SFO)
  • Seattle-Tacoma (SEA) - San Francisco (SFO)
All Alaska Airlines flights
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