Direct flights from Ontario to San Jose ONT → SJC
Southwest Airlines flies nonstop from Ontario (ONT) to San Jose (SJC), several times daily. The flight takes about 1h 11m and covers 333 miles (536 km). Arrivals run on time 78.9% at ONT and 80.3% at SJC — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Schedule data from 30 July 2026.
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Southwest Airlines
WN
Departure Schedule typical week
Typical weekly schedule · 28 flights per week (~4 per day) · Updated 31d ago
Southwest Airlines
Frequently asked questions
Is there a direct flight from Ontario to San Jose?
Yes, Southwest Airlines operates nonstop flights from Ontario (ONT) to San Jose (SJC).
Which airlines fly direct from Ontario to San Jose?
Southwest Airlines operates nonstop flights from Ontario to San Jose.
How long is the flight from Ontario to San Jose?
The nonstop flight from Ontario to San Jose takes ~1h 11m (approximately 536 km).
How often do direct flights operate from Ontario to San Jose?
Nonstop flights from Ontario to San Jose operate multiple daily — 28 flights per week (~4 per day).
What is the on-time performance for flights from Ontario to San Jose?
Arrivals run on time 78.9% at ONT and 80.3% at SJC — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
What days of the week are there direct flights from Ontario to San Jose?
Direct flights from Ontario to San Jose operate every day of the week.
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