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

FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 09:40 Atlanta (ATL) S 11:04 Ontario, Los Angeles (ONT) 2 LATAM Airlines LA 7028 Non-stop Airbus A321 (321) 4:24 Effective 2026-07-07 through 2026-08-14 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 09:40 Atlanta (ATL) S 11:04 Ontario, Los Angeles (ONT) 2 LATAM Airlines LA 7028 Non-stop Airbus A321 (321) 4:24 Effective 2026-08-16 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 09:40 Atlanta (ATL) S 11:27 Ontario, Los Angeles (ONT) 2 LATAM Airlines LA 7028 Non-stop Airbus A321 (321) 4:47 Effective from 2026-10-06 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 09:41 Atlanta (ATL) S 11:31 Ontario, Los Angeles (ONT) 2 LATAM Airlines LA 7028 Non-stop Airbus A321 (321) 4:50 Effective 2026-01-06 through 2026-02-11 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 09:45 Atlanta (ATL) S 11:35 Ontario, Los Angeles (ONT) 2 LATAM Airlines LA 7028 Non-stop Airbus A321 (321) 4:50 Effective 2026-03-08 through 2026-04-12 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 10:10 Atlanta (ATL) S 12:02 Ontario, Los Angeles (ONT) 2 LATAM Airlines LA 7028 Non-stop Airbus A321 (321) 4:52 Effective 2026-02-12 through 2026-03-07 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 19:18 Atlanta (ATL) S 21:05 Ontario, Los Angeles (ONT) 2 LATAM Airlines LA 7029 Non-stop Airbus A321 (321) 4:47 Effective 2026-01-05 through 2026-02-11 Codeshare flight, operated by Delta Air Lines.(DL 779)
Mon,Tue,Fri-Sun 21:40 Atlanta (ATL) S 23:23 Ontario, Los Angeles (ONT) 2 LATAM Airlines LA 7029 Non-stop Airbus A321 (321) 4:43 Valid until 2026-01-03 Codeshare flight, operated by Delta Air Lines.(DL 779)
Daily 19:18 Atlanta (ATL) S 21:05 Ontario, Los Angeles (ONT) 2 LATAM Airlines LA 7059 Non-stop Airbus A321 (321) 4:47 Effective 2026-02-12 through 2026-03-07 Codeshare flight, operated by Delta Air Lines.(DL 761)
Fri,Sun 19:18 Atlanta (ATL) S 21:04 Ontario, Los Angeles (ONT) 2 LATAM Airlines LA 7059 Non-stop Airbus A321 (321) 4:46 Effective 2026-03-13 through 2026-03-29 Codeshare flight, operated by Delta Air Lines.(DL 761)
Mon,Tue,Thu,Fri,Sun 19:18 Atlanta (ATL) S 21:04 Ontario, Los Angeles (ONT) 2 LATAM Airlines LA 7059 Non-stop Airbus A321 (321) 4:46 Effective 2026-03-30 through 2026-04-05 Codeshare flight, operated by Delta Air Lines.(DL 761)
Mon-Thu,Sun 16:35 Atlanta (ATL) S 18:15 Ontario, Los Angeles (ONT) 2 LATAM Airlines LA 7120 Non-stop Airbus A321 (321) 4:40 Effective 2026-06-07 through 2026-07-06 Codeshare flight, operated by Delta Air Lines.(DL 2891)
Mon-Thu,Sun 16:35 Atlanta (ATL) S 18:01 Ontario, Los Angeles (ONT) 2 LATAM Airlines LA 7120 Non-stop Airbus A321 (321) 4:26 Effective 2026-07-07 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 2891)
Mon-Thu,Sun 16:35 Atlanta (ATL) S 18:18 Ontario, Los Angeles (ONT) 2 LATAM Airlines LA 7120 Non-stop Airbus A321 (321) 4:43 Effective 2026-10-06 through 2026-10-29 Codeshare flight, operated by Delta Air Lines.(DL 2891)
Sun 08:08 Atlanta (ATL) S 09:55 Ontario, Los Angeles (ONT) 2 KLM KL 7129 Non-stop Airbus A321 (321) 4:47 Operates only on 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 665)
Mon-Sat 08:13 Atlanta (ATL) S 10:00 Ontario, Los Angeles (ONT) 2 KLM KL 7129 Non-stop Airbus A321 (321) 4:47 Valid until 2026-01-03 Codeshare flight, operated by Delta Air Lines.(DL 665)
Daily 09:45 Atlanta (ATL) S 11:35 Ontario, Los Angeles (ONT) 2 KLM KL 7129 Non-stop Airbus A321 (321) 4:50 Effective 2026-03-08 through 2026-03-28 Codeshare flight, operated by Delta Air Lines.(DL 665)
Mon-Thu,Sat,Sun 19:18 Atlanta (ATL) S 21:04 Ontario, Los Angeles (ONT) 2 LATAM Airlines LA 7139 Non-stop Airbus A321 (321) 4:46 Effective 2026-03-08 through 2026-03-14 Codeshare flight, operated by Delta Air Lines.(DL 761)
Mon-Thu,Sat 19:18 Atlanta (ATL) S 21:04 Ontario, Los Angeles (ONT) 2 LATAM Airlines LA 7139 Non-stop Airbus A321 (321) 4:46 Effective 2026-03-16 through 2026-03-28 Codeshare flight, operated by Delta Air Lines.(DL 761)
Mon-Wed,Sat 19:18 Atlanta (ATL) S 21:04 Ontario, Los Angeles (ONT) 2 LATAM Airlines LA 7139 Non-stop Airbus A321 (321) 4:46 Effective 2026-04-01 through 2026-04-08 Codeshare flight, operated by Delta Air Lines.(DL 761)
Thu-Sun 19:18 Atlanta (ATL) S 21:04 Ontario, Los Angeles (ONT) 2 LATAM Airlines LA 7139 Non-stop Airbus A321 (321) 4:46 Effective 2026-04-09 through 2026-04-12 Codeshare flight, operated by Delta Air Lines.(DL 761)
Mon-Fri,Sun 20:30 Atlanta (ATL) S 22:14 Ontario, Los Angeles (ONT) 2 KLM KL 7158 Non-stop Airbus A321 (321) 4:44 Effective from 2026-10-25 Codeshare flight, operated by Delta Air Lines.(DL 779)
Daily 16:35 Atlanta (ATL) S 18:15 Ontario, Los Angeles (ONT) 2 KLM KL 7253 Non-stop Airbus A321 (321) 4:40 Effective 2026-04-13 through 2026-07-06 Codeshare flight, operated by Delta Air Lines.(DL 2891)
Daily 16:35 Atlanta (ATL) S 18:01 Ontario, Los Angeles (ONT) 2 KLM KL 7253 Non-stop Airbus A321 (321) 4:26 Effective 2026-07-07 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 2891)
Daily 16:35 Atlanta (ATL) S 18:18 Ontario, Los Angeles (ONT) 2 KLM KL 7253 Non-stop Airbus A321 (321) 4:43 Effective 2026-10-06 through 2026-10-24 Codeshare flight, operated by Delta Air Lines.(DL 2891)
Mon-Sat 09:40 Atlanta (ATL) S 11:27 Ontario, Los Angeles (ONT) 2 KLM KL 7267 Non-stop Airbus A321 (321) 4:47 Effective from 2026-10-26 Codeshare flight, operated by Delta Air Lines.(DL 665)

1 2 3

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 4:24 and 4:52.

Return (ONT-ATL) flights

Feedback - Disclaimer - Privacy

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

FLIGHT SCHEDULE

Direct Codeshare Flights:

LATAM Airlines LA7028

09:40

Atlanta (ATL) S

11:04

Ontario, Los Angeles (ONT) 2

Effective 2026-07-07 through 2026-08-14

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

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

Direct Codeshare Flights:

LATAM Airlines LA7028

09:40

Atlanta (ATL) S

11:04

Ontario, Los Angeles (ONT) 2

Effective 2026-08-16 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

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

Direct Codeshare Flights:

LATAM Airlines LA7028

09:40

Atlanta (ATL) S

11:27

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 665)

Duration: 4:47, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7028

09:41

Atlanta (ATL) S

11:31

Ontario, Los Angeles (ONT) 2

Effective 2026-01-06 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 4:50, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7028

09:45

Atlanta (ATL) S

11:35

Ontario, Los Angeles (ONT) 2

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: 4:50, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7028

10:10

Atlanta (ATL) S

12:02

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 665)

Duration: 4:52, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7029

19:18

Atlanta (ATL) S

21:05

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 779)

Duration: 4:47, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7029

21:40

Atlanta (ATL) S

23:23

Ontario, Los Angeles (ONT) 2

Valid until 2026-01-03

Mon

Tue

Wed
-

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 779)

Duration: 4:43, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7059

19:18

Atlanta (ATL) S

21:05

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 761)

Duration: 4:47, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7059

19:18

Atlanta (ATL) S

21:04

Ontario, Los Angeles (ONT) 2

Effective 2026-03-13 through 2026-03-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

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

Duration: 4:46, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7059

19:18

Atlanta (ATL) S

21:04

Ontario, Los Angeles (ONT) 2

Effective 2026-03-30 through 2026-04-05

Mon

Tue

Wed
-

Thu

Fri

Sat
-

Sun

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

Duration: 4:46, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7120

16:35

Atlanta (ATL) S

18:15

Ontario, Los Angeles (ONT) 2

Effective 2026-06-07 through 2026-07-06

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

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

Duration: 4:40, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7120

16:35

Atlanta (ATL) S

18:01

Ontario, Los Angeles (ONT) 2

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

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

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

Duration: 4:26, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7120

16:35

Atlanta (ATL) S

18:18

Ontario, Los Angeles (ONT) 2

Effective 2026-10-06 through 2026-10-29

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

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

Duration: 4:43, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL7129

08:08

Atlanta (ATL) S

09:55

Ontario, Los Angeles (ONT) 2

Operates only on 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Duration: 4:47, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL7129

08:13

Atlanta (ATL) S

10:00

Ontario, Los Angeles (ONT) 2

Valid until 2026-01-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

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

Duration: 4:47, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL7129

09:45

Atlanta (ATL) S

11:35

Ontario, Los Angeles (ONT) 2

Effective 2026-03-08 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 4:50, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7139

19:18

Atlanta (ATL) S

21:04

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 761)

Duration: 4:46, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7139

19:18

Atlanta (ATL) S

21:04

Ontario, Los Angeles (ONT) 2

Effective 2026-03-16 through 2026-03-28

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun
-

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

Duration: 4:46, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7139

19:18

Atlanta (ATL) S

21:04

Ontario, Los Angeles (ONT) 2

Effective 2026-04-01 through 2026-04-08

Mon

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

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

Duration: 4:46, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

LATAM Airlines LA7139

19:18

Atlanta (ATL) S

21:04

Ontario, Los Angeles (ONT) 2

Effective 2026-04-09 through 2026-04-12

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat

Sun

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

Duration: 4:46, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL7158

20:30

Atlanta (ATL) S

22:14

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 779)

Duration: 4:44, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL7253

16:35

Atlanta (ATL) S

18:15

Ontario, Los Angeles (ONT) 2

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 4:40, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL7253

16:35

Atlanta (ATL) S

18:01

Ontario, Los Angeles (ONT) 2

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 4:26, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL7253

16:35

Atlanta (ATL) S

18:18

Ontario, Los Angeles (ONT) 2

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 4:43, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL7267

09:40

Atlanta (ATL) S

11:27

Ontario, Los Angeles (ONT) 2

Effective from 2026-10-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

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

Duration: 4:47, non-stop
Airbus A321 (321)

prev Page 3 / 3

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 4:24 and 4:52.

Return (ONT-ATL) flights

Feedback - Disclaimer - Privacy