New York→OntarioNonstop Flight TimeJFK–ONT

New York (John F. Kennedy International Airport) to Ontario (Ontario International Airport).

Direct flights from JFK to ONT have an estimated flight time of about 5h 35m, based on the 2,424-mile great-circle distance. Our current captured departure sample includes 1/day across 1 captured airline, with JetBlue Airways appearing most often in that sample. Captured departure times run from 17:30 to 19:37 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for JFK to ONT, last seen June 15, 2026. Frequency uses 7 scheduled departures across 7 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.