KLM flights from Atlanta (ATL) to Ontario, Los Angeles (ONT).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Tue 17:59 Atlanta (ATL) S 19:25 Ontario, Los Angeles (ONT) 2
KLM KL 5662 Non-stop Airbus A321 (321) 4:26 Effective 2024-09-09 through 2024-09-10
Codeshare flight, operated by Delta Air Lines.(DL 770)
Mon-Fri 17:59 Atlanta (ATL) S 19:25 Ontario, Los Angeles (ONT) 2
KLM KL 5662 Non-stop Airbus A321 (321) 4:26 Effective 2024-09-26 through 2024-10-04
Codeshare flight, operated by Delta Air Lines.(DL 770)
Sun 17:59 Atlanta (ATL) S 19:25 Ontario, Los Angeles (ONT) 2
KLM KL 5662 Non-stop Airbus A321 (321) 4:26 Operates only on 2024-10-06
Codeshare flight, operated by Delta Air Lines.(DL 770)
Sun 18:03 Atlanta (ATL) S 19:30 Ontario, Los Angeles (ONT) 2
KLM KL 5662 Non-stop Airbus A321 (321) 4:27 Operates only on 2024-09-29
Codeshare flight, operated by Delta Air Lines.(DL 770)
Mon-Fri,Sun 18:10 Atlanta (ATL) S 19:46 Ontario, Los Angeles (ONT) 2
KLM KL 5662 Non-stop Airbus A321 (321) 4:36 Effective 2024-10-07 through 2024-10-25
Codeshare flight, operated by Delta Air Lines.(DL 770)
Sun 18:11 Atlanta (ATL) S 19:33 Ontario, Los Angeles (ONT) 2
KLM KL 5662 Non-stop Airbus A321 (321) 4:22 Operates only on 2024-09-08
Codeshare flight, operated by Delta Air Lines.(DL 770)
Mon-Fri,Sun 18:30 Atlanta (ATL) S 19:55 Ontario, Los Angeles (ONT) 2
KLM KL 5662 Non-stop Airbus A321 (321) 4:25 Effective 2024-09-11 through 2024-09-25
Codeshare flight, operated by Delta Air Lines.(DL 770)
Mon 19:25 Atlanta (ATL) S 20:47 Ontario, Los Angeles (ONT) 2
KLM KL 5662 Non-stop Airbus A321 (321) 4:22 Operates only on 2024-09-02
Codeshare flight, operated by Delta Air Lines.(DL 770)
Sat 21:15 Atlanta (ATL) S 22:49 Ontario, Los Angeles (ONT) 2
KLM KL 5662 Non-stop Airbus A321 (321) 4:34 Operates only on 2024-10-26
Codeshare flight, operated by Delta Air Lines.(DL 779)
Sat 21:20 Atlanta (ATL) S 22:46 Ontario, Los Angeles (ONT) 2
KLM KL 5662 Non-stop Airbus A321 (321) 4:26 Effective 2024-09-14 through 2024-10-05
Codeshare flight, operated by Delta Air Lines.(DL 779)
Sat 21:20 Atlanta (ATL) S 22:54 Ontario, Los Angeles (ONT) 2
KLM KL 5662 Non-stop Airbus A321 (321) 4:34 Effective 2024-10-12 through 2024-10-19
Codeshare flight, operated by Delta Air Lines.(DL 779)
Daily 20:59 Atlanta (ATL) S 22:58 Ontario, Los Angeles (ONT) 2
KLM KL 6342 Non-stop Airbus A321 (321) 4:59 Effective 2025-03-30 through 2025-04-13
Codeshare flight, operated by Delta Air Lines.(DL 779)
Daily 20:59 Atlanta (ATL) S 22:41 Ontario, Los Angeles (ONT) 2
KLM KL 6342 Non-stop Airbus A321 (321) 4:42 Effective 2025-04-14 through 2025-06-07
Codeshare flight, operated by Delta Air Lines.(DL 779)
Daily 20:59 Atlanta (ATL) S 22:29 Ontario, Los Angeles (ONT) 2
KLM KL 6342 Non-stop Airbus A321 (321) 4:30 Effective from 2025-06-08
Codeshare flight, operated by Delta Air Lines.(DL 779)
Mon-Fri,Sun 17:40 Atlanta (ATL) S 19:22 Ontario, Los Angeles (ONT) 2
KLM KL 6368 Non-stop Airbus A321 (321) 4:42 Effective 2024-11-11 through 2024-11-22
Codeshare flight, operated by Delta Air Lines.(DL 770)
Mon-Wed,Sat,Sun 17:40 Atlanta (ATL) S 19:22 Ontario, Los Angeles (ONT) 2
KLM KL 6368 Non-stop Airbus A321 (321) 4:42 Effective 2024-11-23 through 2024-12-04
Codeshare flight, operated by Delta Air Lines.(DL 770)
Mon-Fri,Sun 17:40 Atlanta (ATL) S 19:22 Ontario, Los Angeles (ONT) 2
KLM KL 6368 Non-stop Airbus A321 (321) 4:42 Effective 2024-12-05 through 2024-12-18
Codeshare flight, operated by Delta Air Lines.(DL 770)
Mon,Thu-Sun 17:59 Atlanta (ATL) S 19:46 Ontario, Los Angeles (ONT) 2
KLM KL 6368 Non-stop Airbus A321 (321) 4:47 Effective 2024-12-19 through 2025-01-05
Codeshare flight, operated by Delta Air Lines.(DL 770)
Thu 17:40 Atlanta (ATL) S 19:20 Ontario, Los Angeles (ONT) 2
KLM KL 6370 Non-stop Airbus A321 (321) 4:40 Operates only on 2024-11-28
Codeshare flight, operated by Delta Air Lines.(DL 779)
Fri 18:04 Atlanta (ATL) S 19:49 Ontario, Los Angeles (ONT) 2
KLM KL 6370 Non-stop Airbus A321 (321) 4:45 Operates only on 2024-11-29
Codeshare flight, operated by Delta Air Lines.(DL 779)
Daily 20:48 Atlanta (ATL) S 22:28 Ontario, Los Angeles (ONT) 2
KLM KL 6370 Non-stop Airbus A321 (321) 4:40 Effective 2024-11-11 through 2024-11-27
Codeshare flight, operated by Delta Air Lines.(DL 779)
Daily 20:48 Atlanta (ATL) S 22:28 Ontario, Los Angeles (ONT) 2
KLM KL 6370 Non-stop Airbus A321 (321) 4:40 Effective 2024-11-30 through 2024-12-18
Codeshare flight, operated by Delta Air Lines.(DL 779)
Daily 20:59 Atlanta (ATL) S 22:58 Ontario, Los Angeles (ONT) 2
KLM KL 6370 Non-stop Airbus A321 (321) 4:59 Effective 2025-01-06 through 2025-03-29
Codeshare flight, operated by Delta Air Lines.(DL 779)
Tue,Wed 21:15 Atlanta (ATL) S 22:49 Ontario, Los Angeles (ONT) 2
KLM KL 6370 Non-stop Airbus A321 (321) 4:34 Effective 2024-10-29 through 2024-10-30
Codeshare flight, operated by Delta Air Lines.(DL 779)
Mon,Thu-Sun 21:20 Atlanta (ATL) S 22:54 Ontario, Los Angeles (ONT) 2
KLM KL 6370 Non-stop Airbus A321 (321) 4:34 Effective 2024-10-27 through 2024-11-02
Codeshare flight, operated by Delta Air Lines.(DL 779)
Daily 21:20 Atlanta (ATL) S 22:54 Ontario, Los Angeles (ONT) 2
KLM KL 6370 Non-stop Airbus A321 (321) 4:34 Effective 2024-11-03 through 2024-11-10
Codeshare flight, operated by Delta Air Lines.(DL 779)
Daily 21:25 Atlanta (ATL) S 23:12 Ontario, Los Angeles (ONT) 2
KLM KL 6370 Non-stop Airbus A321 (321) 4:47 Effective 2024-12-19 through 2025-01-05
Codeshare flight, operated by Delta Air Lines.(DL 779)
Mon-Sat 08:55 Atlanta (ATL) S 10:28 Ontario, Los Angeles (ONT) 2
KLM KL 6399 Non-stop Airbus A321 (321) 4:33 Effective 2024-10-28 through 2024-11-02
Codeshare flight, operated by Delta Air Lines.(DL 665)
Tue-Sun 19:25 Atlanta (ATL) S 20:45 Ontario, Los Angeles (ONT) 2
KLM KL 7196 Non-stop Airbus A321 (321) 4:20 Valid until 2024-09-07
Codeshare flight, operated by Delta Air Lines.(DL 779)
Mon-Fri,Sun 21:20 Atlanta (ATL) S 22:46 Ontario, Los Angeles (ONT) 2
KLM KL 7196 Non-stop Airbus A321 (321) 4:26 Effective 2024-09-09 through 2024-10-06
Codeshare flight, operated by Delta Air Lines.(DL 779)
Mon-Fri,Sun 21:20 Atlanta (ATL) S 22:54 Ontario, Los Angeles (ONT) 2
KLM KL 7196 Non-stop Airbus A321 (321) 4:34 Effective 2024-10-07 through 2024-10-25
Codeshare flight, operated by Delta Air Lines.(DL 779)
Sun 21:36 Atlanta (ATL) S 22:57 Ontario, Los Angeles (ONT) 2
KLM KL 7196 Non-stop Airbus A321 (321) 4:21 Operates only on 2024-09-08
Codeshare flight, operated by Delta Air Lines.(DL 779)
Daily 17:59 Atlanta (ATL) S 19:42 Ontario, Los Angeles (ONT) 2
KLM KL 7316 Non-stop Airbus A321 (321) 4:43 Effective 2025-04-14 through 2025-06-07
Codeshare flight, operated by Delta Air Lines.(DL 770)
Daily 17:59 Atlanta (ATL) S 19:29 Ontario, Los Angeles (ONT) 2
KLM KL 7316 Non-stop Airbus A321 (321) 4:30 Effective from 2025-06-08
Codeshare flight, operated by Delta Air Lines.(DL 770)




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KLM flights from Atlanta (ATL) to Ontario, Los Angeles (ONT).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
KLM KL5662
17:59
Atlanta (ATL) S

19:25
Ontario, Los Angeles (ONT) 2
Effective 2024-09-09 through 2024-09-10
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 770)
Duration: 4:26, non-stop
Airbus A321 (321)
KLM KL5662
17:59
Atlanta (ATL) S

19:25
Ontario, Los Angeles (ONT) 2
Effective 2024-09-26 through 2024-10-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 770)
Duration: 4:26, non-stop
Airbus A321 (321)
KLM KL5662
17:59
Atlanta (ATL) S

19:25
Ontario, Los Angeles (ONT) 2
Operates only on 2024-10-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 770)
Duration: 4:26, non-stop
Airbus A321 (321)
KLM KL5662
18:03
Atlanta (ATL) S

19:30
Ontario, Los Angeles (ONT) 2
Operates only on 2024-09-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 770)
Duration: 4:27, non-stop
Airbus A321 (321)
KLM KL5662
18:10
Atlanta (ATL) S

19:46
Ontario, Los Angeles (ONT) 2
Effective 2024-10-07 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 770)
Duration: 4:36, non-stop
Airbus A321 (321)
KLM KL5662
18:11
Atlanta (ATL) S

19:33
Ontario, Los Angeles (ONT) 2
Operates only on 2024-09-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 770)
Duration: 4:22, non-stop
Airbus A321 (321)
KLM KL5662
18:30
Atlanta (ATL) S

19:55
Ontario, Los Angeles (ONT) 2
Effective 2024-09-11 through 2024-09-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 770)
Duration: 4:25, non-stop
Airbus A321 (321)
KLM KL5662
19:25
Atlanta (ATL) S

20:47
Ontario, Los Angeles (ONT) 2
Operates only on 2024-09-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 770)
Duration: 4:22, non-stop
Airbus A321 (321)
KLM KL5662
21:15
Atlanta (ATL) S

22:49
Ontario, Los Angeles (ONT) 2
Operates only on 2024-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:34, non-stop
Airbus A321 (321)
KLM KL5662
21:20
Atlanta (ATL) S

22:46
Ontario, Los Angeles (ONT) 2
Effective 2024-09-14 through 2024-10-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:26, non-stop
Airbus A321 (321)
KLM KL5662
21:20
Atlanta (ATL) S

22:54
Ontario, Los Angeles (ONT) 2
Effective 2024-10-12 through 2024-10-19
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:34, non-stop
Airbus A321 (321)
KLM KL6342
20:59
Atlanta (ATL) S

22:58
Ontario, Los Angeles (ONT) 2
Effective 2025-03-30 through 2025-04-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:59, non-stop
Airbus A321 (321)
KLM KL6342
20:59
Atlanta (ATL) S

22:41
Ontario, Los Angeles (ONT) 2
Effective 2025-04-14 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:42, non-stop
Airbus A321 (321)
KLM KL6342
20:59
Atlanta (ATL) S

22:29
Ontario, Los Angeles (ONT) 2
Effective from 2025-06-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:30, non-stop
Airbus A321 (321)
KLM KL6368
17:40
Atlanta (ATL) S

19:22
Ontario, Los Angeles (ONT) 2
Effective 2024-11-11 through 2024-11-22
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 770)
Duration: 4:42, non-stop
Airbus A321 (321)
KLM KL6368
17:40
Atlanta (ATL) S

19:22
Ontario, Los Angeles (ONT) 2
Effective 2024-11-23 through 2024-12-04
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 770)
Duration: 4:42, non-stop
Airbus A321 (321)
KLM KL6368
17:40
Atlanta (ATL) S

19:22
Ontario, Los Angeles (ONT) 2
Effective 2024-12-05 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 770)
Duration: 4:42, non-stop
Airbus A321 (321)
KLM KL6368
17:59
Atlanta (ATL) S

19:46
Ontario, Los Angeles (ONT) 2
Effective 2024-12-19 through 2025-01-05
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 770)
Duration: 4:47, non-stop
Airbus A321 (321)
KLM KL6370
17:40
Atlanta (ATL) S

19:20
Ontario, Los Angeles (ONT) 2
Operates only on 2024-11-28
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:40, non-stop
Airbus A321 (321)
KLM KL6370
18:04
Atlanta (ATL) S

19:49
Ontario, Los Angeles (ONT) 2
Operates only on 2024-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:45, non-stop
Airbus A321 (321)
KLM KL6370
20:48
Atlanta (ATL) S

22:28
Ontario, Los Angeles (ONT) 2
Effective 2024-11-11 through 2024-11-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:40, non-stop
Airbus A321 (321)
KLM KL6370
20:48
Atlanta (ATL) S

22:28
Ontario, Los Angeles (ONT) 2
Effective 2024-11-30 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:40, non-stop
Airbus A321 (321)
KLM KL6370
20:59
Atlanta (ATL) S

22:58
Ontario, Los Angeles (ONT) 2
Effective 2025-01-06 through 2025-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:59, non-stop
Airbus A321 (321)
KLM KL6370
21:15
Atlanta (ATL) S

22:49
Ontario, Los Angeles (ONT) 2
Effective 2024-10-29 through 2024-10-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:34, non-stop
Airbus A321 (321)
KLM KL6370
21:20
Atlanta (ATL) S

22:54
Ontario, Los Angeles (ONT) 2
Effective 2024-10-27 through 2024-11-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:34, non-stop
Airbus A321 (321)
KLM KL6370
21:20
Atlanta (ATL) S

22:54
Ontario, Los Angeles (ONT) 2
Effective 2024-11-03 through 2024-11-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:34, non-stop
Airbus A321 (321)
KLM KL6370
21:25
Atlanta (ATL) S

23:12
Ontario, Los Angeles (ONT) 2
Effective 2024-12-19 through 2025-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:47, non-stop
Airbus A321 (321)
KLM KL6399
08:55
Atlanta (ATL) S

10:28
Ontario, Los Angeles (ONT) 2
Effective 2024-10-28 through 2024-11-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 665)
Duration: 4:33, non-stop
Airbus A321 (321)
KLM KL7196
19:25
Atlanta (ATL) S

20:45
Ontario, Los Angeles (ONT) 2
Valid until 2024-09-07
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:20, non-stop
Airbus A321 (321)
KLM KL7196
21:20
Atlanta (ATL) S

22:46
Ontario, Los Angeles (ONT) 2
Effective 2024-09-09 through 2024-10-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:26, non-stop
Airbus A321 (321)
KLM KL7196
21:20
Atlanta (ATL) S

22:54
Ontario, Los Angeles (ONT) 2
Effective 2024-10-07 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:34, non-stop
Airbus A321 (321)
KLM KL7196
21:36
Atlanta (ATL) S

22:57
Ontario, Los Angeles (ONT) 2
Operates only on 2024-09-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 779)
Duration: 4:21, non-stop
Airbus A321 (321)
KLM KL7316
17:59
Atlanta (ATL) S

19:42
Ontario, Los Angeles (ONT) 2
Effective 2025-04-14 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 770)
Duration: 4:43, non-stop
Airbus A321 (321)
KLM KL7316
17:59
Atlanta (ATL) S

19:29
Ontario, Los Angeles (ONT) 2
Effective from 2025-06-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 770)
Duration: 4:30, non-stop
Airbus A321 (321)
  • A domestic route departing from the Atlanta airport (ATL) and arriving at Ontario, Los Angeles airport (ONT).
  • The flight distance is 1895 miles, or 3049 km.
  • The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-8 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 4:20 and 4:59.
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