Direct flights from Atlanta to Ontario
All flights from ATL to ONT non-stop. There are direct flights from Hartsfield–Jackson Atlanta International Airport (ATL), Georgia, USA to Ontario International Airport (ONT), California, USA with Delta Air Lines. 18 weekly departures are currently scheduled on this route. Departure times range from 09:15 to 20:59 depending on the schedule period. The flight distance is 1906 miles (3067 km). Flight time ranges from 4 hours and 17 minutes to 4 hours and 47 minutes.
Atlanta
, USA
Flight schedule from Atlanta to Ontario with Delta Air Lines
This is a weekly direct flight schedule for Delta Air Lines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-06-29
Atlanta to Ontario scheduled departures
Select a date to see every published non-stop departure between ATL and ONT.
ATL - ONT route facts
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Distance1906 miles (3067 km)
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Flight time4 hours and 17 minutes to 4 hours and 47 minutes
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Airline Delta
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Airline alliancesSkyTeam
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CabinsEconomy
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Hub airportsATL (Largest hub.)
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Departure terminalsTerminal S
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Arrival terminalsTerminal 2
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AircraftAirbus A321
Route FAQ
Direct flights from Atlanta to CA, USA
From Atlanta to San Francisco
SFO San Francisco International
From Atlanta to Sacramento
SMF Sacramento International
From Atlanta to San Jose
SJC Norman Y Mineta San Jose International
From Atlanta to Burbank
BUR Burbank Glendale Pasadena
From Atlanta to Los Angeles
LAX Los Angeles International
From Atlanta to Palm Springs
PSP Palm Springs International
From Atlanta to San Diego
SAN San Diego International Airport
From Atlanta to Santa Ana
SNA John Wayne Arpt Orange Co
