What is the flight distance between ATL and ONT?

Distance between Hartsfield-Jackson Atlanta International Airport (ATL) and Ontario International Airport (ONT) is 3051 kilometers or 1896 miles.

Distance From Hartsfield-Jackson Atlanta International Airport to Ontario International Airport (ATL - ONT Distance)

Q: How long is the flight from ATL to ONT?

Flight time from Hartsfield-Jackson Atlanta International Airport, Atlanta, United States to Ontario International Airport, Ontario, United States is 3 hours 47 minutes under avarage conditions.

Q: What is the time difference between Atlanta, United States and Ontario, United States?

Time difference between Atlanta (United States) and Ontario (United States) is 3 Hours. Ontario time is 3 Hours behind Atlanta. It is currently 09:32 in Hartsfield-Jackson Atlanta International Airport (ATL) and 06:32 in Ontario International Airport (ONT).

The flight distance from Hartsfield-Jackson Atlanta International Airport (ATL) to Ontario International Airport (ONT) is 1896 miles. This is equivalent to 3051 kilometers or 1646 nautical miles. The distance shown below is the straight line distance (may be called as flying or air distance) or direct flight distance between airports.

3051 kilometers is the distance from Hartsfield-Jackson Atlanta International Airport, United States to Ontario International Airport, United States.

Flight Duration between Atlanta, United States and Ontario, United States

Estimated flight time from Hartsfield-Jackson Atlanta International Airport, Atlanta, United States to Ontario International Airport, Ontario, United States is 3 hours 47 minutes under avarage conditions. The flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Your actual flying time may vary depending on wind speeds or weather conditions.

Time Difference Between the Airports • ATL - ONT

Time difference between Atlanta (United States) and Ontario (United States) is 3 Hours.
Current local time in Atlanta is 2025-07-27, 09:32:26 EDT and time in Ontario is 2025-07-27, 06:32:26 PDT.
Ontario time is 3 Hours behind Atlanta.

Hartsfield-Jackson Atlanta International Airport to Ontario International Airport Flight Route Map - ATL to ONT Flight Path

Location of Hartsfield-Jackson Atlanta International Airport & Ontario International Airport is given below.
Click the map to view Atlanta to Ontario nonstop flight path and travel direction.

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Click to see flight route on Google Map between Atlanta, United States and Ontario, United States. .

Nonstop flight route between Atlanta, United States and Ontario, United States.

Hartsfield-Jackson Atlanta International Airport
City:	Atlanta
Country:	United States
IATA Code:	ATL
ICAO Code:	KATL
GPS Coordinates:	Latitude: N 33° 38' 12.2'' Longitude: W 84° 25' 41''
Current time:	2025-07-27, 09:32:26 EDT
Current weather:	Hartsfield-Jackson Atlanta International Airport 15 day weather forecast

Ontario International Airport
City:	Ontario
Country:	United States
IATA Code:	ONT
ICAO Code:	KONT
GPS Coordinates:	Latitude: N 34° 3' 21.6'' Longitude: W 117° 36' 4.3''
Current time:	2025-07-27, 06:32:26 PDT
Current weather:	Ontario International Airport 15 day weather forecast
Flights: