Direct flights from Ontario to Chicago/Rockford
1 nonstop flight a week on 1 airline. Zero layovers — one hop from ONT to RFD.
Flight time: about 3h37m nonstop
Which days does it fly?
When does it fly?
Departure times in Ontario local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| United UAL2171 | 6:21a | 3h37m | Mon |
United
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The route
One hop: ONT → RFDDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Ontario (ONT) to Chicago/Rockford (RFD)
Ontario International Airport (ONT) has 1 nonstop flight a week to Chicago/Rockford (RFD), operated by United. No layovers, no connections — one hop out of ONT and you're there.
This route flies on Monday — check the schedule grid above before you pick a travel day. Route data updated August 2026 from observed departures.
Route data updated August 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Ontario to Chicago/Rockford?
The nonstop flight from Ontario (ONT) to Chicago/Rockford (RFD) takes about 3h37m in the air, based on recently observed nonstop departures.