All airlines flying from Ontario, Los Angeles (ONT) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Wed,Fri,Sun 06:15 Ontario, Los Angeles (ONT) 2 09:10 Seattle-Tacoma (SEA)
WestJet WS 7351 Non-stop Airbus A220-100 (221) 2:55 Effective 2024-05-17 through 2024-05-22
Codeshare flight, operated by Delta Air Lines.(DL 2530)
Mon-Wed,Fri,Sun 06:15 Ontario, Los Angeles (ONT) 2 09:10 Seattle-Tacoma (SEA)
WestJet WS 7360 Non-stop Airbus A220-100 (221) 2:55 Effective 2024-05-24 through 2024-06-05
Codeshare flight, operated by Delta Air Lines.(DL 2530)
Mon 06:00 Ontario, Los Angeles (ONT) 2 09:02 Seattle-Tacoma (SEA)
WestJet WS 7392 Non-stop Airbus A220-100 (221) 3:02 Operates only on 2024-01-01
Codeshare flight, operated by Delta Air Lines.(DL 2530)
Thu 06:00 Ontario, Los Angeles (ONT) 2 09:02 Seattle-Tacoma (SEA)
WestJet WS 7451 Non-stop Airbus A220-100 (221) 3:02 Operates only on 2024-01-04
Codeshare flight, operated by Delta Air Lines.(DL 2530)
Mon,Wed-Sun 06:00 Ontario, Los Angeles (ONT) 2 08:53 Seattle-Tacoma (SEA)
WestJet WS 7817 Non-stop Airbus A220-100 (221) 2:53 Effective 2024-03-10 through 2024-04-08
Codeshare flight, operated by Delta Air Lines.(DL 2530)
Mon,Wed-Sun 06:15 Ontario, Los Angeles (ONT) 2 09:10 Seattle-Tacoma (SEA)
WestJet WS 7817 Non-stop Airbus A220-100 (221) 2:55 Effective 2024-04-10 through 2024-04-27
Codeshare flight, operated by Delta Air Lines.(DL 2530)
Thu,Sat 06:15 Ontario, Los Angeles (ONT) 2 09:10 Seattle-Tacoma (SEA)
WestJet WS 7817 Non-stop Airbus A220-100 (221) 2:55 Effective 2024-05-02 through 2024-06-01
Codeshare flight, operated by Delta Air Lines.(DL 2530)
Thu 06:15 Ontario, Los Angeles (ONT) 2 09:10 Seattle-Tacoma (SEA)
WestJet WS 7817 Non-stop Boeing 737-800 (738) 2:55 Operates only on 2024-06-06
Codeshare flight, operated by Delta Air Lines.(DL 2530)
Sat 06:15 Ontario, Los Angeles (ONT) 2 08:55 Seattle-Tacoma (SEA)
WestJet WS 7817 Non-stop Boeing 737-800 (738) 2:40 Operates only on 2024-06-08
Codeshare flight, operated by Delta Air Lines.(DL 2530)
Tue 06:00 Ontario, Los Angeles (ONT) 2 09:02 Seattle-Tacoma (SEA)
WestJet WS 7881 Non-stop Airbus A220-100 (221) 3:02 Valid until 2024-01-02
Codeshare flight, operated by Delta Air Lines.(DL 2530)
Mon-Fri,Sun 06:15 Ontario, Los Angeles (ONT) 2 08:55 Seattle-Tacoma (SEA)
WestJet WS 7881 Non-stop Boeing 737-800 (738) 2:40 Effective 2024-06-07 through 2024-06-13
Codeshare flight, operated by Delta Air Lines.(DL 2530)
Wed-Sun 06:15 Ontario, Los Angeles (ONT) 2 08:55 Seattle-Tacoma (SEA)
WestJet WS 7881 Non-stop Boeing 737-800 (738) 2:40 Effective 2024-06-15 through 2024-06-23
Codeshare flight, operated by Delta Air Lines.(DL 2530)
Daily 06:15 Ontario, Los Angeles (ONT) 2 08:55 Seattle-Tacoma (SEA)
WestJet WS 7881 Non-stop Boeing 737-800 (738) 2:40 Effective 2024-06-24 through 2024-07-11
Codeshare flight, operated by Delta Air Lines.(DL 2530)
Thu,Sat 06:15 Ontario, Los Angeles (ONT) 2 08:55 Seattle-Tacoma (SEA)
WestJet WS 7881 Non-stop Boeing 737-800 (738) 2:40 Effective 2024-07-13 through 2024-08-08
Codeshare flight, operated by Delta Air Lines.(DL 2530)
Daily 06:15 Ontario, Los Angeles (ONT) 2 08:55 Seattle-Tacoma (SEA)
WestJet WS 7881 Non-stop Boeing 737-800 (738) 2:40 Effective 2024-08-09 through 2024-09-08
Codeshare flight, operated by Delta Air Lines.(DL 2530)
Daily 06:15 Ontario, Los Angeles (ONT) 2 09:08 Seattle-Tacoma (SEA)
WestJet WS 7881 Non-stop Boeing 737-800 (738) 2:53 Effective 2024-09-09 through 2024-10-06
Codeshare flight, operated by Delta Air Lines.(DL 2815)
Daily 06:15 Ontario, Los Angeles (ONT) 2 09:08 Seattle-Tacoma (SEA)
WestJet WS 7881 Non-stop Airbus A220-100 (221) 2:53 Effective 2024-10-07 through 2024-10-26
Codeshare flight, operated by Delta Air Lines.(DL 2815)
Tue,Sat 06:15 Ontario, Los Angeles (ONT) 2 09:08 Seattle-Tacoma (SEA)
WestJet WS 7881 Non-stop Airbus A220-100 (221) 2:53 Effective from 2024-10-29
Codeshare flight, operated by Delta Air Lines.(DL 2815)
Mon,Tue,Fri 06:15 Ontario, Los Angeles (ONT) 2 08:55 Seattle-Tacoma (SEA)
WestJet WS 7889 Non-stop Boeing 737-800 (738) 2:40 Effective 2024-06-14 through 2024-06-18
Codeshare flight, operated by Delta Air Lines.(DL 2530)
Mon-Wed,Fri,Sun 06:15 Ontario, Los Angeles (ONT) 2 08:55 Seattle-Tacoma (SEA)
WestJet WS 7898 Non-stop Boeing 737-800 (738) 2:40 Effective 2024-07-12 through 2024-08-07
Codeshare flight, operated by Delta Air Lines.(DL 2530)
Mon-Wed,Fri,Sun 06:15 Ontario, Los Angeles (ONT) 2 09:10 Seattle-Tacoma (SEA)
WestJet WS 7923 Non-stop Airbus A220-100 (221) 2:55 Effective 2024-04-28 through 2024-05-15
Codeshare flight, operated by Delta Air Lines.(DL 2530)
Tue 11:00 Ontario, Los Angeles (ONT) 2 13:44 Seattle-Tacoma (SEA)
WestJet WS 8035 Non-stop Airbus A220-100 (221) 2:44 Operates only on 2024-06-25
Codeshare flight, operated by Delta Air Lines.(DL 2579)
Wed 06:15 Ontario, Los Angeles (ONT) 2 09:08 Seattle-Tacoma (SEA)
WestJet WS 8477 Non-stop Airbus A220-100 (221) 2:53 Operates only on 2024-10-30
Codeshare flight, operated by Delta Air Lines.(DL 2815)
Thu 06:15 Ontario, Los Angeles (ONT) 2 09:08 Seattle-Tacoma (SEA)
WestJet WS 8610 Non-stop Airbus A220-100 (221) 2:53 Operates only on 2024-10-31
Codeshare flight, operated by Delta Air Lines.(DL 2815)
Mon 06:15 Ontario, Los Angeles (ONT) 2 09:08 Seattle-Tacoma (SEA)
WestJet WS 8702 Non-stop Airbus A220-100 (221) 2:53 Operates only on 2024-10-28
Codeshare flight, operated by Delta Air Lines.(DL 2815)
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All airlines flying from Ontario, Los Angeles (ONT) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective 2024-05-17 through 2024-05-22
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2530)
Duration: 2:55, non-stop
Airbus A220-100 (221)

Effective 2024-05-24 through 2024-06-05
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2530)
Duration: 2:55, non-stop
Airbus A220-100 (221)

Operates only on 2024-01-01
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2530)
Duration: 3:02, non-stop
Airbus A220-100 (221)

Operates only on 2024-01-04
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2530)
Duration: 3:02, non-stop
Airbus A220-100 (221)

Effective 2024-03-10 through 2024-04-08
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2530)
Duration: 2:53, non-stop
Airbus A220-100 (221)

Effective 2024-04-10 through 2024-04-27
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2530)
Duration: 2:55, non-stop
Airbus A220-100 (221)

Effective 2024-05-02 through 2024-06-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2530)
Duration: 2:55, non-stop
Airbus A220-100 (221)

Operates only on 2024-06-06
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2530)
Duration: 2:55, non-stop
Boeing 737-800 (738)

Operates only on 2024-06-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2530)
Duration: 2:40, non-stop
Boeing 737-800 (738)

Valid until 2024-01-02
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2530)
Duration: 3:02, non-stop
Airbus A220-100 (221)

Effective 2024-06-07 through 2024-06-13
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2530)
Duration: 2:40, non-stop
Boeing 737-800 (738)

Effective 2024-06-15 through 2024-06-23
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2530)
Duration: 2:40, non-stop
Boeing 737-800 (738)

Effective 2024-06-24 through 2024-07-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2530)
Duration: 2:40, non-stop
Boeing 737-800 (738)

Effective 2024-07-13 through 2024-08-08
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2530)
Duration: 2:40, non-stop
Boeing 737-800 (738)

Effective 2024-08-09 through 2024-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2530)
Duration: 2:40, non-stop
Boeing 737-800 (738)

Effective 2024-09-09 through 2024-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2815)
Duration: 2:53, non-stop
Boeing 737-800 (738)

Effective 2024-10-07 through 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2815)
Duration: 2:53, non-stop
Airbus A220-100 (221)

Effective from 2024-10-29
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2815)
Duration: 2:53, non-stop
Airbus A220-100 (221)

Effective 2024-06-14 through 2024-06-18
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2530)
Duration: 2:40, non-stop
Boeing 737-800 (738)

Effective 2024-07-12 through 2024-08-07
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2530)
Duration: 2:40, non-stop
Boeing 737-800 (738)

Effective 2024-04-28 through 2024-05-15
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2530)
Duration: 2:55, non-stop
Airbus A220-100 (221)

Operates only on 2024-06-25
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2579)
Duration: 2:44, non-stop
Airbus A220-100 (221)

Operates only on 2024-10-30
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2815)
Duration: 2:53, non-stop
Airbus A220-100 (221)

Operates only on 2024-10-31
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2815)
Duration: 2:53, non-stop
Airbus A220-100 (221)

Operates only on 2024-10-28
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2815)
Duration: 2:53, non-stop
Airbus A220-100 (221)
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  • A domestic route departing from the Ontario, Los Angeles airport (ONT) and arriving at Seattle-Tacoma airport (SEA).
  • 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 3:02.