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

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 15:15 Seattle-Tacoma (SEA) 17:48 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 1021 Non-stop Airbus A220-100 (221) 2:33 Effective 2024-04-09 through 2024-06-06
Daily 15:15 Seattle-Tacoma (SEA) 17:55 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 1021 Non-stop Airbus A220-100 (221) 2:40 Effective 2024-06-07 through 2024-09-08
Daily 07:30 Seattle-Tacoma (SEA) 10:10 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 1271 Non-stop Airbus A220-100 (221) 2:40 Effective 2024-09-09 through 2024-10-06
Daily 15:20 Seattle-Tacoma (SEA) 17:59 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 1520 Non-stop Airbus A220-300 (223) 2:39 Valid until 2024-01-07
Daily 11:30 Seattle-Tacoma (SEA) 14:04 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 1622 Non-stop Airbus A220-100 (221) 2:34 Effective 2024-03-10 through 2024-04-08
Daily 17:50 Seattle-Tacoma (SEA) 20:24 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2458 Non-stop Airbus A220-100 (221) 2:34 Effective 2024-01-08 through 2024-01-14
Sat 17:50 Seattle-Tacoma (SEA) 20:24 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2458 Non-stop Airbus A220-100 (221) 2:34 Effective 2024-01-20 through 2024-01-27
Sat 17:50 Seattle-Tacoma (SEA) 20:24 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2458 Non-stop Airbus A220-100 (221) 2:34 Effective 2024-02-03 through 2024-03-09
Sun 17:50 Seattle-Tacoma (SEA) 20:24 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2458 Non-stop Airbus A220-100 (221) 2:34 Effective 2024-02-11 through 2024-02-18
Mon-Fri,Sun 20:55 Seattle-Tacoma (SEA) 23:28 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2458 Non-stop Airbus A220-100 (221) 2:33 Effective 2024-01-15 through 2024-02-05
Mon-Fri 21:30 Seattle-Tacoma (SEA) 23:59 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2458 Non-stop Airbus A220-100 (221) 2:29 Effective 2024-02-06 through 2024-02-23
Mon-Fri,Sun 21:30 Seattle-Tacoma (SEA) 23:59 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2458 Non-stop Airbus A220-100 (221) 2:29 Effective 2024-02-25 through 2024-03-08
Mon-Sat 11:50 Seattle-Tacoma (SEA) 14:29 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2475 Non-stop Airbus A220-100 (221) 2:39 Effective 2024-01-08 through 2024-02-27
Mon,Wed 11:50 Seattle-Tacoma (SEA) 14:29 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2475 Non-stop Airbus A220-300 (223) 2:39 Effective 2024-02-28 through 2024-03-04
Tue-Sat 11:50 Seattle-Tacoma (SEA) 14:29 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2475 Non-stop Airbus A220-100 (221) 2:39 Effective 2024-02-29 through 2024-03-09
Sun 12:00 Seattle-Tacoma (SEA) 14:39 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2475 Non-stop Airbus A220-100 (221) 2:39 Effective 2024-01-14 through 2024-03-03
Daily 07:30 Seattle-Tacoma (SEA) 10:08 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2579 Non-stop Airbus A220-100 (221) 2:38 Effective 2024-04-09 through 2024-06-06
Daily 07:30 Seattle-Tacoma (SEA) 10:13 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2579 Non-stop Airbus A220-100 (221) 2:43 Effective 2024-06-07 through 2024-09-08
Daily 19:25 Seattle-Tacoma (SEA) 21:58 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2649 Non-stop Airbus A220-100 (221) 2:33 Effective 2024-03-10 through 2024-04-08
Daily 19:54 Seattle-Tacoma (SEA) 22:30 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2649 Non-stop Airbus A220-100 (221) 2:36 Effective 2024-04-09 through 2024-06-05
Thu 19:54 Seattle-Tacoma (SEA) 22:30 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2649 Non-stop Boeing 737-800 (738) 2:36 Operates only on 2024-06-06
Daily 19:54 Seattle-Tacoma (SEA) 22:33 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2649 Non-stop Boeing 737-800 (738) 2:39 Effective 2024-06-07 through 2024-09-08
Daily 19:56 Seattle-Tacoma (SEA) 22:39 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2649 Non-stop Airbus A220-100 (221) 2:43 Valid until 2024-01-07
Daily 15:15 Seattle-Tacoma (SEA) 17:48 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2782 Non-stop Airbus A220-100 (221) 2:33 Effective from 2024-09-09
Daily 19:54 Seattle-Tacoma (SEA) 22:28 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2848 Non-stop Boeing 737-800 (738) 2:34 Effective 2024-09-09 through 2024-10-06
Daily 19:54 Seattle-Tacoma (SEA) 22:28 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 2848 Non-stop Airbus A220-100 (221) 2:34 Effective from 2024-10-07
Daily 07:30 Seattle-Tacoma (SEA) 10:13 Ontario, Los Angeles (ONT) 2
Delta Air Lines DL 3683 Non-stop Embraer EMB 175 (E7W) 2:43 Effective from 2024-10-07




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Delta Air Lines flights from Seattle-Tacoma (SEA) to Ontario, Los Angeles (ONT).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL1021
15:15
Seattle-Tacoma (SEA)

17:48
Ontario, Los Angeles (ONT) 2
Effective 2024-04-09 through 2024-06-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:33, non-stop
Airbus A220-100 (221)
Delta Air Lines DL1021
15:15
Seattle-Tacoma (SEA)

17:55
Ontario, Los Angeles (ONT) 2
Effective 2024-06-07 through 2024-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:40, non-stop
Airbus A220-100 (221)
Delta Air Lines DL1271
07:30
Seattle-Tacoma (SEA)

10:10
Ontario, Los Angeles (ONT) 2
Effective 2024-09-09 through 2024-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:40, non-stop
Airbus A220-100 (221)
Delta Air Lines DL1520
15:20
Seattle-Tacoma (SEA)

17:59
Ontario, Los Angeles (ONT) 2
Valid until 2024-01-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:39, non-stop
Airbus A220-300 (223)
Delta Air Lines DL1622
11:30
Seattle-Tacoma (SEA)

14:04
Ontario, Los Angeles (ONT) 2
Effective 2024-03-10 through 2024-04-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:34, non-stop
Airbus A220-100 (221)
Delta Air Lines DL2458
17:50
Seattle-Tacoma (SEA)

20:24
Ontario, Los Angeles (ONT) 2
Effective 2024-01-08 through 2024-01-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:34, non-stop
Airbus A220-100 (221)
Delta Air Lines DL2458
17:50
Seattle-Tacoma (SEA)

20:24
Ontario, Los Angeles (ONT) 2
Effective 2024-01-20 through 2024-01-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:34, non-stop
Airbus A220-100 (221)
Delta Air Lines DL2458
17:50
Seattle-Tacoma (SEA)

20:24
Ontario, Los Angeles (ONT) 2
Effective 2024-02-03 through 2024-03-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:34, non-stop
Airbus A220-100 (221)
Delta Air Lines DL2458
17:50
Seattle-Tacoma (SEA)

20:24
Ontario, Los Angeles (ONT) 2
Effective 2024-02-11 through 2024-02-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:34, non-stop
Airbus A220-100 (221)
Delta Air Lines DL2458
20:55
Seattle-Tacoma (SEA)

23:28
Ontario, Los Angeles (ONT) 2
Effective 2024-01-15 through 2024-02-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:33, non-stop
Airbus A220-100 (221)
Delta Air Lines DL2458
21:30
Seattle-Tacoma (SEA)

23:59
Ontario, Los Angeles (ONT) 2
Effective 2024-02-06 through 2024-02-23
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:29, non-stop
Airbus A220-100 (221)
Delta Air Lines DL2458
21:30
Seattle-Tacoma (SEA)

23:59
Ontario, Los Angeles (ONT) 2
Effective 2024-02-25 through 2024-03-08
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:29, non-stop
Airbus A220-100 (221)
Delta Air Lines DL2475
11:50
Seattle-Tacoma (SEA)

14:29
Ontario, Los Angeles (ONT) 2
Effective 2024-01-08 through 2024-02-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 2:39, non-stop
Airbus A220-100 (221)
Delta Air Lines DL2475
11:50
Seattle-Tacoma (SEA)

14:29
Ontario, Los Angeles (ONT) 2
Effective 2024-02-28 through 2024-03-04
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:39, non-stop
Airbus A220-300 (223)
Delta Air Lines DL2475
11:50
Seattle-Tacoma (SEA)

14:29
Ontario, Los Angeles (ONT) 2
Effective 2024-02-29 through 2024-03-09
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 2:39, non-stop
Airbus A220-100 (221)
Delta Air Lines DL2475
12:00
Seattle-Tacoma (SEA)

14:39
Ontario, Los Angeles (ONT) 2
Effective 2024-01-14 through 2024-03-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:39, non-stop
Airbus A220-100 (221)
Delta Air Lines DL2579
07:30
Seattle-Tacoma (SEA)

10:08
Ontario, Los Angeles (ONT) 2
Effective 2024-04-09 through 2024-06-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:38, non-stop
Airbus A220-100 (221)
Delta Air Lines DL2579
07:30
Seattle-Tacoma (SEA)

10:13
Ontario, Los Angeles (ONT) 2
Effective 2024-06-07 through 2024-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:43, non-stop
Airbus A220-100 (221)
Delta Air Lines DL2649
19:25
Seattle-Tacoma (SEA)

21:58
Ontario, Los Angeles (ONT) 2
Effective 2024-03-10 through 2024-04-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:33, non-stop
Airbus A220-100 (221)
Delta Air Lines DL2649
19:54
Seattle-Tacoma (SEA)

22:30
Ontario, Los Angeles (ONT) 2
Effective 2024-04-09 through 2024-06-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:36, non-stop
Airbus A220-100 (221)
Delta Air Lines DL2649
19:54
Seattle-Tacoma (SEA)

22:30
Ontario, Los Angeles (ONT) 2
Operates only on 2024-06-06
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:36, non-stop
Boeing 737-800 (738)
Delta Air Lines DL2649
19:54
Seattle-Tacoma (SEA)

22:33
Ontario, Los Angeles (ONT) 2
Effective 2024-06-07 through 2024-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:39, non-stop
Boeing 737-800 (738)
Delta Air Lines DL2649
19:56
Seattle-Tacoma (SEA)

22:39
Ontario, Los Angeles (ONT) 2
Valid until 2024-01-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:43, non-stop
Airbus A220-100 (221)
Delta Air Lines DL2782
15:15
Seattle-Tacoma (SEA)

17:48
Ontario, Los Angeles (ONT) 2
Effective from 2024-09-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:33, non-stop
Airbus A220-100 (221)
Delta Air Lines DL2848
19:54
Seattle-Tacoma (SEA)

22:28
Ontario, Los Angeles (ONT) 2
Effective 2024-09-09 through 2024-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:34, non-stop
Boeing 737-800 (738)
Delta Air Lines DL2848
19:54
Seattle-Tacoma (SEA)

22:28
Ontario, Los Angeles (ONT) 2
Effective from 2024-10-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:34, non-stop
Airbus A220-100 (221)
Delta Air Lines DL3683
07:30
Seattle-Tacoma (SEA)

10:13
Ontario, Los Angeles (ONT) 2
Effective from 2024-10-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:43, 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 2:29 and 2:43.
All SEA-ONT flights
All Delta Air Lines flights
Return (ONT-SEA) flights
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