Ontario→WilmingtonNonstop Flight TimeONT–ILN

Ontario (Ontario International Airport) to Wilmington (Wilmington Air Park).

Direct flights from ONT to ILN have an estimated flight time of about 4h 30m, based on the 1,897-mile great-circle distance. Our current captured departure sample includes 1/day across 1 captured airline, with ATI appearing most often in that sample. Captured departure times run from 07:45 to 08:15 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for ONT to ILN, 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.