Direct flights from Ontario to Chicago ONT → MDW
Southwest Airlines flies nonstop from Ontario (ONT) to Chicago (MDW). The flight takes about 4h 1m and covers 1,703 miles (2,740 km). Arrivals run on time 78.9% at ONT and 72.8% at MDW — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
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Southwest Airlines
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Frequently asked questions
Is there a direct flight from Ontario to Chicago?
Yes, Southwest Airlines operates nonstop flights from Ontario (ONT) to Chicago (MDW).
Which airlines fly direct from Ontario to Chicago?
Southwest Airlines operates nonstop flights from Ontario to Chicago.
How long is the flight from Ontario to Chicago?
The nonstop flight from Ontario to Chicago takes ~4h 1m (approximately 2740 km).
What is the on-time performance for flights from Ontario to Chicago?
Arrivals run on time 78.9% at ONT and 72.8% at MDW — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
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