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ORD–ONT · Nonstop
Chicago (O'Hare International Airport) to Ontario (Ontario International Airport).
The estimated flight time from Chicago (ORD) to Ontario (ONT) is about 4h 5m, covering 1,696 miles. United Airlines flies the route nonstop with 1-2/day departures, from 01:37 to 20:18 local time.
Plan this route| Est. flight time | Distance | Route type | Captured freq. | Market |
|---|---|---|---|---|
| ~4h 5m Estimated from great-circle distance — no tracked flights yet. | 1,696 mi | Nonstop | 1-2/day From the current provider sample; confirm live timetables before booking. | Domestic |
United Airlines operates 1-2/day flights from ORD to ONT. Terminal assignments in the captured sample are not confirmed for your flight; check the airline before travel.
| Airline | Captured frequency | Aircraft | Departures (local) |
|---|---|---|---|
| United Airlines | 1-2/day | Boeing 737 · Airline terminal guide (confirm for your flight) · Seat map | 01:3720:0620:18 |
Methodology: airline, aircraft, terminal, and departure-time details come from a full week of published airline schedules for ORD, refreshed on a rolling basis. Frequency uses 8 scheduled departures across 7 observed days; flight time is estimated from flying distance until this route has enough tracked flights for an observed average.
The estimated flight time from Chicago (ORD) to Ontario (ONT) is about 4h 5m, based on the 1,696-mile flying distance.
Chicago (ORD) to Ontario (ONT) is about 1,696 miles by air.
Yes. United Airlines flies nonstop from Chicago (ORD) to Ontario (ONT), with 1-2/day departures.
United Airlines flies nonstop from Chicago (ORD) to Ontario (ONT).
The ORD–ONT route is flown with Boeing 737.