Airlines with flights from Atlanta to Ontario

There are three airlines with scheduled flights between ATL and ONT. Delta is the only airline with non-stop flights from Hartsfield–Jackson Atlanta Airport to Ontario International Airport and the flight time is 4 hours and 39 minutes.

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Non-stop

4h 39min

Via Salt Lake City

7h 22min

Via Dallas

7h 19min

Via Denver

7h 22min

Via Houston

8h 45min

Via Austin

8h 5min

Via Phoenix

6h 50min

Via Las Vegas

7h 40min

Via Dallas

7h 10min

Via Denver

7h 15min

Via Houston

7h 5min

Via Chicago

8h 0min

Via Las Vegas

7h 18min

Via Denver

7h 10min

Via Phoenix

7h 5min

Starts 05/05

Via Charlotte

8h 49min

Starts 10/04

Via Nashville

7h 8min

Via New Orleans

9h 33min

Starts 27/03

Via Dallas

7h 34min

NEW Starts 12/03

Via Houston

7h 43min

Schedules

Non-stop with Delta Air Lines

Total flight time: 4 hours and 39 minutes
Sky Team Alliance
Atlanta is a Delta Air Lines hub (Largest hub).

21 flights per week
Airbus A321

ATL

Direct

ONT

Flight

Mon

Mar 3

Tue

Mar 4

Wed

Mar 5

Thu

Mar 6

Fri

Mar 7

Sat

Mar 8

Sun

Mar 9

DL665

10:05

09:50

DL779

20:59

SHOW RETURN SCHEDULE

CLOSE RETURN SCHEDULE

CHECK PRICES FOR ATL - ONT

The timetable & schedule information was updated at 2025-02-17

Via Salt Lake City with Delta Air Lines

Total flight time: 6h 48m - 9h 18m.
Sky Team Alliance
Atlanta is a Delta Air Lines hub (Largest hub).

32 flights per week
Airbus A321

ATL

Via SLC

ONT

Flight

Mon

Mar 3

Tue

Mar 4

Wed

Mar 5

Thu

Mar 6

Fri

Mar 7

Sat

Mar 8

Sun

Mar 9

DL8813
DL1345

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07:00

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DL830
DL1345

08:00