All airlines flying from Ontario, Los Angeles (ONT) to Atlanta (ATL).

FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 22:30 Ontario, Los Angeles (ONT) 2 05:34 Atlanta (ATL) S Aeromexico AM 4588 Non-stop Airbus A321 (321) 4:04 Effective 2026-03-08 through 2026-04-12 Codeshare flight, operated by Delta Air Lines.(DL 761) The flight arrives 1 day after departure.
Sun 11:05 Ontario, Los Angeles (ONT) 2 18:15 Atlanta (ATL) S Virgin Atlantic VS 5397 Non-stop Airbus A321 (321) 4:10 Operates only on 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 665)
Mon,Tue,Fri,Sat 11:10 Ontario, Los Angeles (ONT) 2 18:20 Atlanta (ATL) S Virgin Atlantic VS 5397 Non-stop Airbus A321 (321) 4:10 Valid until 2026-01-03 Codeshare flight, operated by Delta Air Lines.(DL 665)
Wed,Thu,Sat 11:15 Ontario, Los Angeles (ONT) 2 18:25 Atlanta (ATL) S Virgin Atlantic VS 5397 Non-stop Airbus A321 (321) 4:10 Valid until 2026-01-01 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 12:00 Ontario, Los Angeles (ONT) 2 19:20 Atlanta (ATL) S Virgin Atlantic VS 5397 Non-stop Airbus A321 (321) 4:20 Effective 2026-04-13 through 2026-07-06 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 12:00 Ontario, Los Angeles (ONT) 2 19:30 Atlanta (ATL) S Virgin Atlantic VS 5397 Non-stop Airbus A321 (321) 4:30 Effective 2026-07-07 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 12:00 Ontario, Los Angeles (ONT) 2 19:14 Atlanta (ATL) S Virgin Atlantic VS 5397 Non-stop Airbus A321 (321) 4:14 Effective from 2026-10-06 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 12:41 Ontario, Los Angeles (ONT) 2 19:50 Atlanta (ATL) S Virgin Atlantic VS 5397 Non-stop Airbus A321 (321) 4:09 Effective 2026-01-05 through 2026-01-18 Codeshare flight, operated by Delta Air Lines.(DL 665)
Mon,Sun 12:41 Ontario, Los Angeles (ONT) 2 19:49 Atlanta (ATL) S Virgin Atlantic VS 5397 Non-stop Airbus A321 (321) 4:08 Effective 2026-01-19 through 2026-01-26 Codeshare flight, operated by Delta Air Lines.(DL 665)
Tue-Sat 12:41 Ontario, Los Angeles (ONT) 2 19:50 Atlanta (ATL) S Virgin Atlantic VS 5397 Non-stop Airbus A321 (321) 4:09 Effective 2026-01-20 through 2026-01-31 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 12:41 Ontario, Los Angeles (ONT) 2 19:50 Atlanta (ATL) S Virgin Atlantic VS 5397 Non-stop Airbus A321 (321) 4:09 Effective 2026-02-01 through 2026-02-11 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 12:45 Ontario, Los Angeles (ONT) 2 19:49 Atlanta (ATL) S Virgin Atlantic VS 5397 Non-stop Airbus A321 (321) 4:04 Effective 2026-03-08 through 2026-04-12 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 13:15 Ontario, Los Angeles (ONT) 2 20:30 Atlanta (ATL) S Virgin Atlantic VS 5397 Non-stop Airbus A321 (321) 4:15 Effective 2026-02-12 through 2026-03-07 Codeshare flight, operated by Delta Air Lines.(DL 665)
Fri 22:59 Ontario, Los Angeles (ONT) 2 06:19 Atlanta (ATL) S LATAM Airlines LA 5464 Non-stop Airbus A321 (321) 4:20 Effective 2026-08-21 through 2026-10-02 Codeshare flight, operated by Delta Air Lines.(DL 2891) The flight arrives 1 day after departure.
Fri 22:59 Ontario, Los Angeles (ONT) 2 06:08 Atlanta (ATL) S LATAM Airlines LA 5464 Non-stop Airbus A321 (321) 4:09 Effective from 2026-10-09 Codeshare flight, operated by Delta Air Lines.(DL 2891) The flight arrives 1 day after departure.
Daily 12:00 Ontario, Los Angeles (ONT) 2 19:20 Atlanta (ATL) S Air France AF 5665 Non-stop Airbus A321 (321) 4:20 Effective 2026-04-13 through 2026-07-06 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 12:00 Ontario, Los Angeles (ONT) 2 19:14 Atlanta (ATL) S Air France AF 5665 Non-stop Airbus A321 (321) 4:14 Effective from 2026-10-06 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 12:41 Ontario, Los Angeles (ONT) 2 19:50 Atlanta (ATL) S Air France AF 5665 Non-stop Airbus A321 (321) 4:09 Effective 2026-01-05 through 2026-01-18 Codeshare flight, operated by Delta Air Lines.(DL 665)
Mon,Sun 12:41 Ontario, Los Angeles (ONT) 2 19:49 Atlanta (ATL) S Air France AF 5665 Non-stop Airbus A321 (321) 4:08 Effective 2026-01-19 through 2026-01-26 Codeshare flight, operated by Delta Air Lines.(DL 665)
Tue-Sat 12:41 Ontario, Los Angeles (ONT) 2 19:50 Atlanta (ATL) S Air France AF 5665 Non-stop Airbus A321 (321) 4:09 Effective 2026-01-20 through 2026-01-31 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 12:41 Ontario, Los Angeles (ONT) 2 19:50 Atlanta (ATL) S Air France AF 5665 Non-stop Airbus A321 (321) 4:09 Effective 2026-02-01 through 2026-02-11 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 12:45 Ontario, Los Angeles (ONT) 2 19:49 Atlanta (ATL) S Air France AF 5665 Non-stop Airbus A321 (321) 4:04 Effective 2026-03-08 through 2026-04-12 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 13:15 Ontario, Los Angeles (ONT) 2 20:30 Atlanta (ATL) S Air France AF 5665 Non-stop Airbus A321 (321) 4:15 Effective 2026-02-12 through 2026-03-07 Codeshare flight, operated by Delta Air Lines.(DL 665)
Tue,Sat 07:00 Ontario, Los Angeles (ONT) 2 14:24 Atlanta (ATL) S Air France AF 5839 Non-stop Airbus A321 (321) 4:24 Effective 2026-07-07 through 2026-10-03 Codeshare flight, operated by Delta Air Lines.(DL 761)
Daily 07:05 Ontario, Los Angeles (ONT) 2 14:15 Atlanta (ATL) S Air France AF 5839 Non-stop Airbus A321 (321) 4:10 Valid until 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 761)
Daily 07:05 Ontario, Los Angeles (ONT) 2 14:15 Atlanta (ATL) S KLM KL 6376 Non-stop Airbus A321 (321) 4:10 Valid until 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 761)
Daily 22:20 Ontario, Los Angeles (ONT) 2 05:28 Atlanta (ATL) S KLM KL 6376 Non-stop Airbus A321 (321) 4:08 Effective 2026-02-12 through 2026-03-06 Codeshare flight, operated by Delta Air Lines.(DL 761) The flight arrives 1 day after departure.
Sat 22:20 Ontario, Los Angeles (ONT) 2 06:28 Atlanta (ATL) S KLM KL 6376 Non-stop Airbus A321 (321) 4:08 Operates only on 2026-03-07 Codeshare flight, operated by Delta Air Lines.(DL 761) The flight arrives 1 day after departure.
Daily 22:30 Ontario, Los Angeles (ONT) 2 05:35 Atlanta (ATL) S KLM KL 6376 Non-stop Airbus A321 (321) 4:05 Effective 2026-01-05 through 2026-02-11 Codeshare flight, operated by Delta Air Lines.(DL 761) The flight arrives 1 day after departure.
Fri,Sat 22:30 Ontario, Los Angeles (ONT) 2 05:34 Atlanta (ATL) S KLM KL 6376 Non-stop Airbus A321 (321) 4:04 Effective 2026-03-27 through 2026-03-28 Codeshare flight, operated by Delta Air Lines.(DL 761) The flight arrives 1 day after departure.
Mon,Tue,Fri-Sun 22:29 Ontario, Los Angeles (ONT) 2 05:39 Atlanta (ATL) S KLM KL 6377 Non-stop Airbus A321 (321) 4:10 Valid until 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 828) The flight arrives 1 day after departure.
Mon-Fri,Sun 22:59 Ontario, Los Angeles (ONT) 2 06:08 Atlanta (ATL) S KLM KL 6639 Non-stop Airbus A321 (321) 4:09 Effective from 2026-10-25 Codeshare flight, operated by Delta Air Lines.(DL 2891) The flight arrives 1 day after departure.
Daily 07:00 Ontario, Los Angeles (ONT) 2 14:18 Atlanta (ATL) S KLM KL 6720 Non-stop Airbus A321 (321) 4:18 Effective 2026-04-13 through 2026-07-06 Codeshare flight, operated by Delta Air Lines.(DL 761)
Daily 07:00 Ontario, Los Angeles (ONT) 2 14:24 Atlanta (ATL) S KLM KL 6720 Non-stop Airbus A321 (321) 4:24 Effective 2026-07-07 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 761)
Daily 07:00 Ontario, Los Angeles (ONT) 2 14:13 Atlanta (ATL) S KLM KL 6720 Non-stop Airbus A321 (321) 4:13 Effective 2026-10-06 through 2026-10-24 Codeshare flight, operated by Delta Air Lines.(DL 761)
Daily 22:30 Ontario, Los Angeles (ONT) 2 05:34 Atlanta (ATL) S KLM KL 6720 Non-stop Airbus A321 (321) 4:04 Effective 2026-03-29 through 2026-04-12 Codeshare flight, operated by Delta Air Lines.(DL 761) The flight arrives 1 day after departure.
Daily 12:00 Ontario, Los Angeles (ONT) 2 19:20 Atlanta (ATL) S KLM KL 7004 Non-stop Airbus A321 (321) 4:20 Effective 2026-04-13 through 2026-07-06 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 12:00 Ontario, Los Angeles (ONT) 2 19:30 Atlanta (ATL) S KLM KL 7004 Non-stop Airbus A321 (321) 4:30 Effective 2026-07-07 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 12:00 Ontario, Los Angeles (ONT) 2 19:14 Atlanta (ATL) S KLM KL 7004 Non-stop Airbus A321 (321) 4:14 Effective 2026-10-06 through 2026-10-24 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 12:45 Ontario, Los Angeles (ONT) 2 19:49 Atlanta (ATL) S KLM KL 7004 Non-stop Airbus A321 (321) 4:04 Effective 2026-03-29 through 2026-04-12 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 12:00 Ontario, Los Angeles (ONT) 2 19:30 Atlanta (ATL) S LATAM Airlines LA 7028 Non-stop Airbus A321 (321) 4:30 Effective 2026-08-15 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 12:00 Ontario, Los Angeles (ONT) 2 19:14 Atlanta (ATL) S LATAM Airlines LA 7028 Non-stop Airbus A321 (321) 4:14 Effective from 2026-10-06 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 22:59 Ontario, Los Angeles (ONT) 2 06:13 Atlanta (ATL) S LATAM Airlines LA 7046 Non-stop Airbus A321 (321) 4:14 Effective 2026-04-13 through 2026-05-13 Codeshare flight, operated by Delta Air Lines.(DL 2891) The flight arrives 1 day after departure.
Mon-Wed,Fri-Sun 22:59 Ontario, Los Angeles (ONT) 2 06:13 Atlanta (ATL) S LATAM Airlines LA 7046 Non-stop Airbus A321 (321) 4:14 Effective 2026-05-15 through 2026-06-06 Codeshare flight, operated by Delta Air Lines.(DL 2891) The flight arrives 1 day after departure.
Thu 22:59 Ontario, Los Angeles (ONT) 2 06:13 Atlanta (ATL) S LATAM Airlines LA 7052 Non-stop Airbus A321 (321) 4:14 Operates only on 2026-05-14 Codeshare flight, operated by Delta Air Lines.(DL 2891) The flight arrives 1 day after departure.
Thu 22:59 Ontario, Los Angeles (ONT) 2 06:13 Atlanta (ATL) S LATAM Airlines LA 7054 Non-stop Airbus A321 (321) 4:14 Effective 2026-05-21 through 2026-06-04 Codeshare flight, operated by Delta Air Lines.(DL 2891) The flight arrives 1 day after departure.
Daily 07:00 Ontario, Los Angeles (ONT) 2 14:13 Atlanta (ATL) S KLM KL 7062 Non-stop Airbus A321 (321) 4:13 Effective from 2026-10-25 Codeshare flight, operated by Delta Air Lines.(DL 761)
Daily 07:05 Ontario, Los Angeles (ONT) 2 14:15 Atlanta (ATL) S LATAM Airlines LA 7108 Non-stop Airbus A321 (321) 4:10 Valid until 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 761)
Mon 22:30 Ontario, Los Angeles (ONT) 2 05:35 Atlanta (ATL) S LATAM Airlines LA 7108 Non-stop Airbus A321 (321) 4:05 Operates only on 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 761) The flight arrives 1 day after departure.
Mon,Tue,Fri-Sun 22:29 Ontario, Los Angeles (ONT) 2 05:39 Atlanta (ATL) S LATAM Airlines LA 7110 Non-stop Airbus A321 (321) 4:10 Valid until 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 828) The flight arrives 1 day after departure.

1 2 3

A domestic route departing from the Ontario, Los Angeles airport (ONT) and arriving at Atlanta airport (ATL).
The flight distance is 1895 miles, or 3049 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . 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 4:04 and 4:30.

Return (ATL-ONT) flights

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All airlines flying from Ontario, Los Angeles (ONT) to Atlanta (ATL).

FLIGHT SCHEDULE

Direct Codeshare Flights:

Aeromexico AM4588

22:30

Ontario, Los Angeles (ONT) 2

05:34(+1)

Atlanta (ATL) S

Effective 2026-03-08 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 761)

Duration: 4:04, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Virgin Atlantic VS5397

11:05

Ontario, Los Angeles (ONT) 2

18:15

Atlanta (ATL) S

Operates only on 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:10, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Virgin Atlantic VS5397

11:10

Ontario, Los Angeles (ONT) 2

18:20

Atlanta (ATL) S

Valid until 2026-01-03

Mon

Tue

Wed
-

Thu
-

Fri

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:10, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Virgin Atlantic VS5397

11:15

Ontario, Los Angeles (ONT) 2

18:25

Atlanta (ATL) S

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:10, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Virgin Atlantic VS5397

12:00

Ontario, Los Angeles (ONT) 2

19:20

Atlanta (ATL) S

Effective 2026-04-13 through 2026-07-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:20, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Virgin Atlantic VS5397

12:00

Ontario, Los Angeles (ONT) 2

19:30

Atlanta (ATL) S

Effective 2026-07-07 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:30, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Virgin Atlantic VS5397

12:00

Ontario, Los Angeles (ONT) 2

19:14

Atlanta (ATL) S

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:14, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Virgin Atlantic VS5397

12:41

Ontario, Los Angeles (ONT) 2

19:50

Atlanta (ATL) S

Effective 2026-01-05 through 2026-01-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:09, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Virgin Atlantic VS5397

12:41

Ontario, Los Angeles (ONT) 2

19:49

Atlanta (ATL) S

Effective 2026-01-19 through 2026-01-26

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:08, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Virgin Atlantic VS5397

12:41

Ontario, Los Angeles (ONT) 2

19:50

Atlanta (ATL) S

Effective 2026-01-20 through 2026-01-31

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:09, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Virgin Atlantic VS5397

12:41

Ontario, Los Angeles (ONT) 2

19:50

Atlanta (ATL) S

Effective 2026-02-01 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:09, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Virgin Atlantic VS5397

12:45

Ontario, Los Angeles (ONT) 2

19:49

Atlanta (ATL) S

Effective 2026-03-08 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:04, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Virgin Atlantic VS5397

13:15

Ontario, Los Angeles (ONT) 2

20:30

Atlanta (ATL) S

Effective 2026-02-12 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:15, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA5464

22:59

Ontario, Los Angeles (ONT) 2

06:19(+1)

Atlanta (ATL) S

Effective 2026-08-21 through 2026-10-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 2891)

Duration: 4:20, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA5464

22:59

Ontario, Los Angeles (ONT) 2

06:08(+1)

Atlanta (ATL) S

Effective from 2026-10-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 2891)

Duration: 4:09, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Air France AF5665

12:00

Ontario, Los Angeles (ONT) 2

19:20

Atlanta (ATL) S

Effective 2026-04-13 through 2026-07-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:20, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Air France AF5665

12:00

Ontario, Los Angeles (ONT) 2

19:14

Atlanta (ATL) S

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:14, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Air France AF5665

12:41

Ontario, Los Angeles (ONT) 2

19:50

Atlanta (ATL) S

Effective 2026-01-05 through 2026-01-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:09, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Air France AF5665

12:41

Ontario, Los Angeles (ONT) 2

19:49

Atlanta (ATL) S

Effective 2026-01-19 through 2026-01-26

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:08, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Air France AF5665

12:41

Ontario, Los Angeles (ONT) 2

19:50

Atlanta (ATL) S

Effective 2026-01-20 through 2026-01-31

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:09, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Air France AF5665

12:41

Ontario, Los Angeles (ONT) 2

19:50

Atlanta (ATL) S

Effective 2026-02-01 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:09, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Air France AF5665

12:45

Ontario, Los Angeles (ONT) 2

19:49

Atlanta (ATL) S

Effective 2026-03-08 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:04, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Air France AF5665

13:15

Ontario, Los Angeles (ONT) 2

20:30

Atlanta (ATL) S

Effective 2026-02-12 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:15, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Air France AF5839

07:00

Ontario, Los Angeles (ONT) 2

14:24

Atlanta (ATL) S

Effective 2026-07-07 through 2026-10-03

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 761)

Duration: 4:24, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Air France AF5839

07:05

Ontario, Los Angeles (ONT) 2

14:15

Atlanta (ATL) S

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 761)

Duration: 4:10, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL6376

07:05

Ontario, Los Angeles (ONT) 2

14:15

Atlanta (ATL) S

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 761)

Duration: 4:10, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL6376

22:20

Ontario, Los Angeles (ONT) 2

05:28(+1)

Atlanta (ATL) S

Effective 2026-02-12 through 2026-03-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 761)

Duration: 4:08, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

KLM KL6376

22:20

Ontario, Los Angeles (ONT) 2

06:28(+1)

Atlanta (ATL) S

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 761)

Duration: 4:08, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

KLM KL6376

22:30

Ontario, Los Angeles (ONT) 2

05:35(+1)

Atlanta (ATL) S

Effective 2026-01-05 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 761)

Duration: 4:05, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

KLM KL6376

22:30

Ontario, Los Angeles (ONT) 2

05:34(+1)

Atlanta (ATL) S

Effective 2026-03-27 through 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 761)

Duration: 4:04, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

KLM KL6377

22:29

Ontario, Los Angeles (ONT) 2

05:39(+1)

Atlanta (ATL) S

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 828)

Duration: 4:10, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

KLM KL6639

22:59

Ontario, Los Angeles (ONT) 2

06:08(+1)

Atlanta (ATL) S

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2891)

Duration: 4:09, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

KLM KL6720

07:00

Ontario, Los Angeles (ONT) 2

14:18

Atlanta (ATL) S

Effective 2026-04-13 through 2026-07-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 761)

Duration: 4:18, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL6720

07:00

Ontario, Los Angeles (ONT) 2

14:24

Atlanta (ATL) S

Effective 2026-07-07 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 761)

Duration: 4:24, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL6720

07:00

Ontario, Los Angeles (ONT) 2

14:13

Atlanta (ATL) S

Effective 2026-10-06 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 761)

Duration: 4:13, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL6720

22:30

Ontario, Los Angeles (ONT) 2

05:34(+1)

Atlanta (ATL) S

Effective 2026-03-29 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 761)

Duration: 4:04, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

KLM KL7004

12:00

Ontario, Los Angeles (ONT) 2

19:20

Atlanta (ATL) S

Effective 2026-04-13 through 2026-07-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:20, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL7004

12:00

Ontario, Los Angeles (ONT) 2

19:30

Atlanta (ATL) S

Effective 2026-07-07 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:30, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL7004

12:00

Ontario, Los Angeles (ONT) 2

19:14

Atlanta (ATL) S

Effective 2026-10-06 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:14, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL7004

12:45

Ontario, Los Angeles (ONT) 2

19:49

Atlanta (ATL) S

Effective 2026-03-29 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:04, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7028

12:00

Ontario, Los Angeles (ONT) 2

19:30

Atlanta (ATL) S

Effective 2026-08-15 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:30, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7028

12:00

Ontario, Los Angeles (ONT) 2

19:14

Atlanta (ATL) S

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 665)

Duration: 4:14, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7046

22:59

Ontario, Los Angeles (ONT) 2

06:13(+1)

Atlanta (ATL) S

Effective 2026-04-13 through 2026-05-13

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2891)

Duration: 4:14, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7046

22:59

Ontario, Los Angeles (ONT) 2

06:13(+1)

Atlanta (ATL) S

Effective 2026-05-15 through 2026-06-06

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2891)

Duration: 4:14, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7052

22:59

Ontario, Los Angeles (ONT) 2

06:13(+1)

Atlanta (ATL) S

Operates only on 2026-05-14

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 2891)

Duration: 4:14, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7054

22:59

Ontario, Los Angeles (ONT) 2

06:13(+1)

Atlanta (ATL) S

Effective 2026-05-21 through 2026-06-04

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 2891)

Duration: 4:14, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

KLM KL7062

07:00

Ontario, Los Angeles (ONT) 2

14:13

Atlanta (ATL) S

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 761)

Duration: 4:13, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7108

07:05

Ontario, Los Angeles (ONT) 2

14:15

Atlanta (ATL) S

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 761)

Duration: 4:10, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7108

22:30

Ontario, Los Angeles (ONT) 2

05:35(+1)

Atlanta (ATL) S

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 761)

Duration: 4:05, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7110

22:29

Ontario, Los Angeles (ONT) 2

05:39(+1)

Atlanta (ATL) S

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 828)

Duration: 4:10, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

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A domestic route departing from the Ontario, Los Angeles airport (ONT) and arriving at Atlanta airport (ATL).
The flight distance is 1895 miles, or 3049 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . 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 4:04 and 4:30.

Return (ATL-ONT) flights

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