Korean Air flights from Seattle-Tacoma (SEA) to Ontario, Los Angeles (ONT).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 11:15 Seattle-Tacoma (SEA) 13:56 Ontario, Los Angeles (ONT) 2
Korean Air KE 3070 Non-stop Embraer EMB 175 (E7W) 2:41 Effective 2026-01-05 through 2026-02-11
Codeshare flight, operated by Delta Air Lines.(DL 4031)
Daily 11:15 Seattle-Tacoma (SEA) 13:54 Ontario, Los Angeles (ONT) 2
Korean Air KE 3070 Non-stop Embraer EMB 175 (E7W) 2:39 Effective 2026-02-12 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 4031)
Daily 14:30 Seattle-Tacoma (SEA) 17:08 Ontario, Los Angeles (ONT) 2
Korean Air KE 3070 Non-stop Embraer EMB 175 (E7W) 2:38 Valid until 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 3834)
Daily 14:30 Seattle-Tacoma (SEA) 17:12 Ontario, Los Angeles (ONT) 2
Korean Air KE 3070 Non-stop Embraer EMB 175 (E7W) 2:42 Effective 2026-03-08 through 2026-03-14
Codeshare flight, operated by Delta Air Lines.(DL 4031)
Daily 14:30 Seattle-Tacoma (SEA) 17:13 Ontario, Los Angeles (ONT) 2
Korean Air KE 3070 Non-stop Embraer EMB 175 (E7W) 2:43 Effective 2026-03-15 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 4031)
Daily 14:35 Seattle-Tacoma (SEA) 17:16 Ontario, Los Angeles (ONT) 2
Korean Air KE 3070 Non-stop Embraer EMB 175 (E7W) 2:41 Effective 2026-04-13 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 4031)
Daily 14:35 Seattle-Tacoma (SEA) 17:17 Ontario, Los Angeles (ONT) 2
Korean Air KE 3070 Non-stop Embraer EMB 175 (E7W) 2:42 Effective from 2026-10-06
Codeshare flight, operated by Delta Air Lines.(DL 4031)
Daily 19:50 Seattle-Tacoma (SEA) 22:33 Ontario, Los Angeles (ONT) 2
Korean Air KE 3106 Non-stop Embraer EMB 175 (E7W) 2:43 Effective 2026-03-08 through 2026-03-14
Codeshare flight, operated by Delta Air Lines.(DL 4027)
Daily 19:50 Seattle-Tacoma (SEA) 22:34 Ontario, Los Angeles (ONT) 2
Korean Air KE 3106 Non-stop Embraer EMB 175 (E7W) 2:44 Effective 2026-03-15 through 2026-03-28
Codeshare flight, operated by Delta Air Lines.(DL 4027)
Daily 19:55 Seattle-Tacoma (SEA) 22:37 Ontario, Los Angeles (ONT) 2
Korean Air KE 3106 Non-stop Embraer EMB 175 (E7W) 2:42 Effective 2026-02-12 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 4027)
Daily 19:55 Seattle-Tacoma (SEA) 22:40 Ontario, Los Angeles (ONT) 2
Korean Air KE 3106 Non-stop Embraer EMB 175 (E7W) 2:45 Effective 2026-07-01 through 2026-09-30
Codeshare flight, operated by Delta Air Lines.(DL 3884)
Daily 19:55 Seattle-Tacoma (SEA) 22:43 Ontario, Los Angeles (ONT) 2
Korean Air KE 3106 Non-stop Embraer EMB 175 (E7W) 2:48 Effective from 2026-10-25
Codeshare flight, operated by Delta Air Lines.(DL 3987)
Daily 20:00 Seattle-Tacoma (SEA) 22:44 Ontario, Los Angeles (ONT) 2
Korean Air KE 3106 Non-stop Embraer EMB 175 (E7W) 2:44 Effective 2026-02-01 through 2026-02-11
Codeshare flight, operated by Delta Air Lines.(DL 4027)
Daily 20:07 Seattle-Tacoma (SEA) 22:51 Ontario, Los Angeles (ONT) 2
Korean Air KE 3106 Non-stop Embraer EMB 175 (E7W) 2:44 Effective 2026-01-05 through 2026-01-31
Codeshare flight, operated by Delta Air Lines.(DL 4027)




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Korean Air flights from Seattle-Tacoma (SEA) to Ontario, Los Angeles (ONT).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Korean Air KE3070
11:15
Seattle-Tacoma (SEA)

13:56
Ontario, Los Angeles (ONT) 2
Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4031)
Duration: 2:41, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Korean Air KE3070
11:15
Seattle-Tacoma (SEA)

13:54
Ontario, Los Angeles (ONT) 2
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4031)
Duration: 2:39, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Korean Air KE3070
14:30
Seattle-Tacoma (SEA)

17:08
Ontario, Los Angeles (ONT) 2
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3834)
Duration: 2:38, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Korean Air KE3070
14:30
Seattle-Tacoma (SEA)

17:12
Ontario, Los Angeles (ONT) 2
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4031)
Duration: 2:42, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Korean Air KE3070
14:30
Seattle-Tacoma (SEA)

17:13
Ontario, Los Angeles (ONT) 2
Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4031)
Duration: 2:43, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Korean Air KE3070
14:35
Seattle-Tacoma (SEA)

17:16
Ontario, Los Angeles (ONT) 2
Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4031)
Duration: 2:41, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Korean Air KE3070
14:35
Seattle-Tacoma (SEA)

17:17
Ontario, Los Angeles (ONT) 2
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4031)
Duration: 2:42, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Korean Air KE3106
19:50
Seattle-Tacoma (SEA)

22:33
Ontario, Los Angeles (ONT) 2
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4027)
Duration: 2:43, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Korean Air KE3106
19:50
Seattle-Tacoma (SEA)

22:34
Ontario, Los Angeles (ONT) 2
Effective 2026-03-15 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4027)
Duration: 2:44, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Korean Air KE3106
19:55
Seattle-Tacoma (SEA)

22:37
Ontario, Los Angeles (ONT) 2
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4027)
Duration: 2:42, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Korean Air KE3106
19:55
Seattle-Tacoma (SEA)

22:40
Ontario, Los Angeles (ONT) 2
Effective 2026-07-01 through 2026-09-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3884)
Duration: 2:45, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Korean Air KE3106
19:55
Seattle-Tacoma (SEA)

22:43
Ontario, Los Angeles (ONT) 2
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3987)
Duration: 2:48, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Korean Air KE3106
20:00
Seattle-Tacoma (SEA)

22:44
Ontario, Los Angeles (ONT) 2
Effective 2026-02-01 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4027)
Duration: 2:44, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Korean Air KE3106
20:07
Seattle-Tacoma (SEA)

22:51
Ontario, Los Angeles (ONT) 2
Effective 2026-01-05 through 2026-01-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4027)
Duration: 2:44, non-stop
Embraer EMB 175 (E7W)
  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Ontario, Los Angeles airport (ONT).
  • The flight distance is 956 miles, or 1539 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 2:38 and 2:48.
All SEA-ONT flights
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