Nonstop flights from Atlanta to Ontario
Delta Air Lines flies this route 2 to 3 times a day.
ATLHartsfield-Jackson Atlanta International
1,894 mi · 18 flights a week
ONTOntario International
When they leave
Atlanta time9:25a8:27pFirst departure 9:25 AM, last 8:27 PM
One morning flight at 9:25 AM, then two in the evening, 5:05 PM to 8:27 PM.
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Earliest first
Schedules last checked Sep 19, 2026. Times are local.
Flying from Atlanta to Ontario
Delta Air Lines is the only airline flying nonstop from Atlanta to Ontario, 2 to 3 times a day on the Airbus A321.
There are 2 or 3 flights every day of the week. The first arrival in Ontario is at 10:42 AM and the last at 9:52 PM. The flight covers 1,894 miles.
Flying back, Ontario to Atlanta has 18 nonstop flights a week.
Return flights
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Find the cheapest day to fly from Atlanta to Ontario.
Schedules as of Oct 9, 2026.