Korean Air flight KE 6123: Seattle-Tacoma - San Diego

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 11:25 Seattle-Tacoma (SEA) 14:17 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737 (73J) 2:52 Effective from 2025-11-02
Codeshare flight, operated by Alaska Airlines.(AS 621)
Sat,Sun 15:55 Seattle-Tacoma (SEA) 18:40 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737 (73J) 2:45 Valid until 2025-05-11
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Daily 15:55 Seattle-Tacoma (SEA) 18:47 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737 (73J) 2:52 Effective 2025-10-04 through 2025-11-01
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Daily 16:11 Seattle-Tacoma (SEA) 19:05 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737 (73J) 2:54 Effective 2025-08-20 through 2025-10-03
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Wed 16:14 Seattle-Tacoma (SEA) 18:59 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737 MAX 9 (7M9) 2:45 Valid until 2025-05-07
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Mon,Tue,Thu,Fri 16:14 Seattle-Tacoma (SEA) 18:59 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737 (73J) 2:45 Valid until 2025-05-12
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Tue,Wed 16:14 Seattle-Tacoma (SEA) 18:59 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737 MAX 9 (7M9) 2:45 Effective 2025-05-13 through 2025-05-14
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Mon,Wed-Fri,Sun 16:16 Seattle-Tacoma (SEA) 19:01 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737-800 (73H) 2:45 Effective 2025-05-15 through 2025-05-22
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Fri,Sat 16:16 Seattle-Tacoma (SEA) 19:01 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737-900 (739) 2:45 Effective 2025-05-17 through 2025-05-24
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Mon,Tue 16:16 Seattle-Tacoma (SEA) 19:01 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737 (73J) 2:45 Effective 2025-05-20 through 2025-05-27
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Wed-Fri,Sun 16:16 Seattle-Tacoma (SEA) 19:01 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737-800 (73H) 2:45 Effective 2025-05-25 through 2025-05-30
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Sat 16:16 Seattle-Tacoma (SEA) 19:01 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737-900 (739) 2:45 Effective 2025-05-31 through 2025-06-07
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Sun 16:16 Seattle-Tacoma (SEA) 19:01 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737 (73J) 2:45 Operates only on 2025-06-01
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Mon-Fri,Sun 16:16 Seattle-Tacoma (SEA) 19:01 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737-800 (73H) 2:45 Effective 2025-06-02 through 2025-06-11
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Thu 16:59 Seattle-Tacoma (SEA) 19:49 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Operates only on 2025-06-12
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Mon,Wed-Sun 16:59 Seattle-Tacoma (SEA) 19:49 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737-700 (73G) 2:50 Effective 2025-06-13 through 2025-06-23
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Tue 16:59 Seattle-Tacoma (SEA) 19:49 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737 (73J) 2:50 Operates only on 2025-06-17
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Daily 16:59 Seattle-Tacoma (SEA) 19:49 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737-700 (73G) 2:50 Effective 2025-06-24 through 2025-07-03
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Fri 16:59 Seattle-Tacoma (SEA) 19:49 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Operates only on 2025-07-04
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Daily 16:59 Seattle-Tacoma (SEA) 19:49 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737-700 (73G) 2:50 Effective 2025-07-05 through 2025-07-12
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Sun 16:59 Seattle-Tacoma (SEA) 19:49 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2025-07-13
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Daily 16:59 Seattle-Tacoma (SEA) 19:49 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737-700 (73G) 2:50 Effective 2025-07-14 through 2025-07-21
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Tue 16:59 Seattle-Tacoma (SEA) 19:49 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737 (73J) 2:50 Operates only on 2025-07-22
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Daily 16:59 Seattle-Tacoma (SEA) 19:49 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737-700 (73G) 2:50 Effective 2025-07-23 through 2025-08-04
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Tue 16:59 Seattle-Tacoma (SEA) 19:49 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737 (73J) 2:50 Operates only on 2025-08-05
Codeshare flight, operated by Alaska Airlines.(AS 1146)
Daily 16:59 Seattle-Tacoma (SEA) 19:49 San Diego (SAN) 2
KE 6123 Non-stop Boeing 737-700 (73G) 2:50 Effective 2025-08-06 through 2025-08-19
Codeshare flight, operated by Alaska Airlines.(AS 1146)
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Korean Air flight KE 6123:
Seattle-Tacoma - San Diego
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Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Codeshare Flights:

Korean Air KE6123
Effective from 2025-11-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 621)
Duration: 2:52, non-stop
Boeing 737 (73J)

Korean Air KE6123
Valid until 2025-05-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:45, non-stop
Boeing 737 (73J)

Korean Air KE6123
Effective 2025-10-04 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:52, non-stop
Boeing 737 (73J)

Korean Air KE6123
Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:54, non-stop
Boeing 737 (73J)

Korean Air KE6123
Valid until 2025-05-07
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:45, non-stop
Boeing 737 MAX 9 (7M9)

Korean Air KE6123
Valid until 2025-05-12
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:45, non-stop
Boeing 737 (73J)

Korean Air KE6123
Effective 2025-05-13 through 2025-05-14
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:45, non-stop
Boeing 737 MAX 9 (7M9)

Korean Air KE6123
Effective 2025-05-15 through 2025-05-22
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:45, non-stop
Boeing 737-800 (73H)

Korean Air KE6123
Effective 2025-05-17 through 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:45, non-stop
Boeing 737-900 (739)

Korean Air KE6123
Effective 2025-05-20 through 2025-05-27
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:45, non-stop
Boeing 737 (73J)

Korean Air KE6123
Effective 2025-05-25 through 2025-05-30
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:45, non-stop
Boeing 737-800 (73H)

Korean Air KE6123
Effective 2025-05-31 through 2025-06-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:45, non-stop
Boeing 737-900 (739)

Korean Air KE6123
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:45, non-stop
Boeing 737 (73J)

Korean Air KE6123
Effective 2025-06-02 through 2025-06-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:45, non-stop
Boeing 737-800 (73H)

Korean Air KE6123
Operates only on 2025-06-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)

Korean Air KE6123
Effective 2025-06-13 through 2025-06-23
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:50, non-stop
Boeing 737-700 (73G)

Korean Air KE6123
Operates only on 2025-06-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:50, non-stop
Boeing 737 (73J)

Korean Air KE6123
Effective 2025-06-24 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:50, non-stop
Boeing 737-700 (73G)

Korean Air KE6123
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)

Korean Air KE6123
Effective 2025-07-05 through 2025-07-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:50, non-stop
Boeing 737-700 (73G)

Korean Air KE6123
Operates only on 2025-07-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)

Korean Air KE6123
Effective 2025-07-14 through 2025-07-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:50, non-stop
Boeing 737-700 (73G)

Korean Air KE6123
Operates only on 2025-07-22
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:50, non-stop
Boeing 737 (73J)

Korean Air KE6123
Effective 2025-07-23 through 2025-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:50, non-stop
Boeing 737-700 (73G)

Korean Air KE6123
Operates only on 2025-08-05
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:50, non-stop
Boeing 737 (73J)

Korean Air KE6123
Effective 2025-08-06 through 2025-08-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1146)
Duration: 2:50, non-stop
Boeing 737-700 (73G)
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  • KE 6123 is a domestic flight departing from the Seattle-Tacoma airport (SEA) and arriving at San Diego airport (SAN).
  • The flight distance is 1051 miles, or 1691 km.
  • The timezone of both the departure and the arrival airports is UTC-8 (plus 1h DST). Current time at both airports is 12:50am.
  • For direct flights, the flight time varies between 2:45 and 2:54.