Cathay Pacific flight CX 7921: Seattle-Tacoma - Los Angeles

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue 05:00 Seattle-Tacoma (SEA) 07:52 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 MAX 9 (7M9) 2:52 Operates only on 2026-01-06
Codeshare flight, operated by Alaska Airlines.(AS 723)
Sun 06:06 Seattle-Tacoma (SEA) 08:58 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 (73J) 2:52 Valid until 2026-01-04
Codeshare flight, operated by Alaska Airlines.(AS 1316)
Mon,Thu 06:10 Seattle-Tacoma (SEA) 08:55 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 MAX 9 (7M9) 2:45 Effective 2026-02-12 through 2026-02-16
Codeshare flight, operated by Alaska Airlines.(AS 1316)
Tue-Sun 06:10 Seattle-Tacoma (SEA) 08:55 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 (73J) 2:45 Effective 2026-02-13 through 2026-02-19
Codeshare flight, operated by Alaska Airlines.(AS 1316)
Mon,Fri,Sun 06:10 Seattle-Tacoma (SEA) 08:55 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 MAX 9 (7M9) 2:45 Effective 2026-02-20 through 2026-03-02
Codeshare flight, operated by Alaska Airlines.(AS 1316)
Tue-Thu,Sat 06:10 Seattle-Tacoma (SEA) 08:55 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 (73J) 2:45 Effective 2026-02-21 through 2026-02-26
Codeshare flight, operated by Alaska Airlines.(AS 1316)
Tue,Wed,Fri 06:10 Seattle-Tacoma (SEA) 08:55 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 (73J) 2:45 Effective 2026-03-03 through 2026-03-06
Codeshare flight, operated by Alaska Airlines.(AS 1316)
Sat,Sun 06:10 Seattle-Tacoma (SEA) 08:55 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 MAX 9 (7M9) 2:45 Effective 2026-03-07 through 2026-03-08
Codeshare flight, operated by Alaska Airlines.(AS 1316)
Tue 06:10 Seattle-Tacoma (SEA) 08:55 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Operates only on 2026-03-10
Codeshare flight, operated by Alaska Airlines.(AS 1316)
Mon-Fri,Sun 06:15 Seattle-Tacoma (SEA) 09:05 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 (73J) 2:50 Effective 2026-03-19 through 2026-03-27
Codeshare flight, operated by Alaska Airlines.(AS 797)
Mon-Sat 06:15 Seattle-Tacoma (SEA) 09:05 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 (73J) 2:50 Effective 2026-03-28 through 2026-05-12
Codeshare flight, operated by Alaska Airlines.(AS 797)
Sun 06:20 Seattle-Tacoma (SEA) 09:02 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 MAX 9 (7M9) 2:42 Effective 2026-01-11 through 2026-01-25
Codeshare flight, operated by Alaska Airlines.(AS 1316)
Wed 07:00 Seattle-Tacoma (SEA) 09:44 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 (73J) 2:44 Operates only on 2026-03-18
Codeshare flight, operated by Alaska Airlines.(AS 797)
Fri 07:00 Seattle-Tacoma (SEA) 09:45 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 (73J) 2:45 Operates only on 2026-06-05
Codeshare flight, operated by Alaska Airlines.(AS 797)
Fri 07:00 Seattle-Tacoma (SEA) 09:50 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 (73J) 2:50 Effective 2026-06-12 through 2026-09-11
Codeshare flight, operated by Alaska Airlines.(AS 797)
Mon-Thu,Sat 07:00 Seattle-Tacoma (SEA) 09:50 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 (73J) 2:50 Effective from 2026-10-26
Codeshare flight, operated by Alaska Airlines.(AS 797)
Sun 13:39 Seattle-Tacoma (SEA) 16:22 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 MAX 9 (7M9) 2:43 Effective 2026-02-01 through 2026-02-08
Codeshare flight, operated by Alaska Airlines.(AS 658)
Sat 14:59 Seattle-Tacoma (SEA) 17:48 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 MAX 9 (7M9) 2:49 Operates only on 2026-01-03
Codeshare flight, operated by Alaska Airlines.(AS 1300)
Tue 15:50 Seattle-Tacoma (SEA) 18:36 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737-800 (73H) 2:46 Operates only on 2026-03-17
Codeshare flight, operated by Alaska Airlines.(AS 1300)
Wed 15:57 Seattle-Tacoma (SEA) 18:40 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 (73J) 2:43 Effective 2026-01-07 through 2026-01-14
Codeshare flight, operated by Alaska Airlines.(AS 1300)
Mon,Tue 15:57 Seattle-Tacoma (SEA) 18:40 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 MAX 9 (7M9) 2:43 Effective 2026-01-12 through 2026-01-13
Codeshare flight, operated by Alaska Airlines.(AS 1300)
Mon-Fri 15:57 Seattle-Tacoma (SEA) 18:40 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 (73J) 2:43 Effective 2026-01-15 through 2026-01-21
Codeshare flight, operated by Alaska Airlines.(AS 1300)
Mon,Thu 15:57 Seattle-Tacoma (SEA) 18:40 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 MAX 9 (7M9) 2:43 Effective 2026-01-22 through 2026-01-26
Codeshare flight, operated by Alaska Airlines.(AS 1300)
Wed-Fri 15:57 Seattle-Tacoma (SEA) 18:40 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 (73J) 2:43 Effective 2026-01-23 through 2026-01-30
Codeshare flight, operated by Alaska Airlines.(AS 1300)
Mon 15:57 Seattle-Tacoma (SEA) 18:40 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 MAX 9 (7M9) 2:43 Effective 2026-02-02 through 2026-02-09
Codeshare flight, operated by Alaska Airlines.(AS 1300)
Tue-Fri 15:57 Seattle-Tacoma (SEA) 18:40 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 (73J) 2:43 Effective 2026-02-03 through 2026-02-11
Codeshare flight, operated by Alaska Airlines.(AS 1300)
Sat 17:50 Seattle-Tacoma (SEA) 20:36 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 (73J) 2:46 Operates only on 2026-03-14
Codeshare flight, operated by Alaska Airlines.(AS 1411)
Mon 17:50 Seattle-Tacoma (SEA) 20:36 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737-800 (73H) 2:46 Operates only on 2026-03-16
Codeshare flight, operated by Alaska Airlines.(AS 1411)
Daily 17:55 Seattle-Tacoma (SEA) 20:47 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 (73J) 2:52 Effective 2026-09-16 through 2026-10-23
Codeshare flight, operated by Alaska Airlines.(AS 583)
Fri,Sun 17:55 Seattle-Tacoma (SEA) 20:47 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 (73J) 2:52 Effective from 2026-10-25
Codeshare flight, operated by Alaska Airlines.(AS 583)
Daily 18:52 Seattle-Tacoma (SEA) 21:38 Los Angeles (LAX) 6
CX 7921 Non-stop Boeing 737 (73J) 2:46 Effective 2026-05-13 through 2026-05-31
Codeshare flight, operated by Alaska Airlines.(AS 370)


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Cathay Pacific flight CX 7921:
Seattle-Tacoma - Los Angeles
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Cathay Pacific CX7921
05:00
Seattle-Tacoma (SEA)

07:52
Los Angeles (LAX) 6
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 723)
Duration: 2:52, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Cathay Pacific CX7921
06:06
Seattle-Tacoma (SEA)

08:58
Los Angeles (LAX) 6
Valid until 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1316)
Duration: 2:52, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Cathay Pacific CX7921
06:10
Seattle-Tacoma (SEA)

08:55
Los Angeles (LAX) 6
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1316)
Duration: 2:45, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Cathay Pacific CX7921
06:10
Seattle-Tacoma (SEA)

08:55
Los Angeles (LAX) 6
Effective 2026-02-13 through 2026-02-19
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1316)
Duration: 2:45, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Cathay Pacific CX7921
06:10
Seattle-Tacoma (SEA)

08:55
Los Angeles (LAX) 6
Effective 2026-02-20 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1316)
Duration: 2:45, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Cathay Pacific CX7921
06:10
Seattle-Tacoma (SEA)

08:55
Los Angeles (LAX) 6
Effective 2026-02-21 through 2026-02-26
Mon
-
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1316)
Duration: 2:45, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Cathay Pacific CX7921
06:10
Seattle-Tacoma (SEA)

08:55
Los Angeles (LAX) 6
Effective 2026-03-03 through 2026-03-06
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1316)
Duration: 2:45, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Cathay Pacific CX7921
06:10
Seattle-Tacoma (SEA)

08:55
Los Angeles (LAX) 6
Effective 2026-03-07 through 2026-03-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1316)
Duration: 2:45, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Cathay Pacific CX7921
06:10
Seattle-Tacoma (SEA)

08:55
Los Angeles (LAX) 6
Operates only on 2026-03-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1316)
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Cathay Pacific CX7921
06:15
Seattle-Tacoma (SEA)

09:05
Los Angeles (LAX) 6
Effective 2026-03-19 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 797)
Duration: 2:50, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Cathay Pacific CX7921
06:15
Seattle-Tacoma (SEA)

09:05
Los Angeles (LAX) 6
Effective 2026-03-28 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 797)
Duration: 2:50, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Cathay Pacific CX7921
06:20
Seattle-Tacoma (SEA)

09:02
Los Angeles (LAX) 6
Effective 2026-01-11 through 2026-01-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1316)
Duration: 2:42, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Cathay Pacific CX7921
07:00
Seattle-Tacoma (SEA)

09:44
Los Angeles (LAX) 6
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 797)
Duration: 2:44, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Cathay Pacific CX7921
07:00
Seattle-Tacoma (SEA)

09:45
Los Angeles (LAX) 6
Operates only on 2026-06-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 797)
Duration: 2:45, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Cathay Pacific CX7921
07:00
Seattle-Tacoma (SEA)

09:50
Los Angeles (LAX) 6
Effective 2026-06-12 through 2026-09-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 797)
Duration: 2:50, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Cathay Pacific CX7921
07:00
Seattle-Tacoma (SEA)

09:50
Los Angeles (LAX) 6
Effective from 2026-10-26
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 797)
Duration: 2:50, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Cathay Pacific CX7921
13:39
Seattle-Tacoma (SEA)

16:22
Los Angeles (LAX) 6
Effective 2026-02-01 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 658)
Duration: 2:43, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Cathay Pacific CX7921
14:59
Seattle-Tacoma (SEA)

17:48
Los Angeles (LAX) 6
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1300)
Duration: 2:49, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Cathay Pacific CX7921
15:50
Seattle-Tacoma (SEA)

18:36
Los Angeles (LAX) 6
Operates only on 2026-03-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1300)
Duration: 2:46, non-stop
Boeing 737-800 (73H)
Direct Codeshare Flights:
Cathay Pacific CX7921
15:57
Seattle-Tacoma (SEA)

18:40
Los Angeles (LAX) 6
Effective 2026-01-07 through 2026-01-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1300)
Duration: 2:43, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Cathay Pacific CX7921
15:57
Seattle-Tacoma (SEA)

18:40
Los Angeles (LAX) 6
Effective 2026-01-12 through 2026-01-13
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1300)
Duration: 2:43, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Cathay Pacific CX7921
15:57
Seattle-Tacoma (SEA)

18:40
Los Angeles (LAX) 6
Effective 2026-01-15 through 2026-01-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1300)
Duration: 2:43, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Cathay Pacific CX7921
15:57
Seattle-Tacoma (SEA)

18:40
Los Angeles (LAX) 6
Effective 2026-01-22 through 2026-01-26
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1300)
Duration: 2:43, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Cathay Pacific CX7921
15:57
Seattle-Tacoma (SEA)

18:40
Los Angeles (LAX) 6
Effective 2026-01-23 through 2026-01-30
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1300)
Duration: 2:43, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Cathay Pacific CX7921
15:57
Seattle-Tacoma (SEA)

18:40
Los Angeles (LAX) 6
Effective 2026-02-02 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1300)
Duration: 2:43, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Cathay Pacific CX7921
15:57
Seattle-Tacoma (SEA)

18:40
Los Angeles (LAX) 6
Effective 2026-02-03 through 2026-02-11
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1300)
Duration: 2:43, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Cathay Pacific CX7921
17:50
Seattle-Tacoma (SEA)

20:36
Los Angeles (LAX) 6
Operates only on 2026-03-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1411)
Duration: 2:46, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Cathay Pacific CX7921
17:50
Seattle-Tacoma (SEA)

20:36
Los Angeles (LAX) 6
Operates only on 2026-03-16
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1411)
Duration: 2:46, non-stop
Boeing 737-800 (73H)
Direct Codeshare Flights:
Cathay Pacific CX7921
17:55
Seattle-Tacoma (SEA)

20:47
Los Angeles (LAX) 6
Effective 2026-09-16 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 583)
Duration: 2:52, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Cathay Pacific CX7921
17:55
Seattle-Tacoma (SEA)

20:47
Los Angeles (LAX) 6
Effective from 2026-10-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 583)
Duration: 2:52, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Cathay Pacific CX7921
18:52
Seattle-Tacoma (SEA)

21:38
Los Angeles (LAX) 6
Effective 2026-05-13 through 2026-05-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 370)
Duration: 2:46, non-stop
Boeing 737 (73J)
  • CX 7921 is a domestic flight departing from the Seattle-Tacoma airport (SEA) and arriving at Los Angeles airport (LAX).
  • The flight distance is 954 miles, or 1536 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 2:42 and 2:52.
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