How long is the flight from Atlanta to Ontario?

ATL–ONT is about 4h 13m nonstop, covering 3,050 km (1,895 mi).

Which airlines fly nonstop from Atlanta to Ontario?

Delta Air Lines operates this route nonstop.

ATLONT

Hartsfield Jackson Atlanta International Airport (Atlanta, United States) → Ontario International Airport (Ontario, United States)

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How long is the flight from Atlanta to Ontario?: ATL–ONT is about 4h 13m nonstop, covering 3,050 km (1,895 mi).
Which airlines fly nonstop from Atlanta to Ontario?: Delta Air Lines operates this route nonstop.