Direct flights from Baltimore to Ontario BWI → ONT
Southwest Airlines flies nonstop from Baltimore (BWI) to Ontario (ONT), daily. The flight takes about 5h 12m and covers 2,278 miles (3,666 km). Arrivals run on time 78.4% at BWI and 78.9% at ONT — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Schedule data from 26 July 2026.
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Southwest Airlines
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Departure Schedule typical week
Typical weekly schedule · 8 flights per week · Updated 35d ago
Southwest Airlines
Frequently asked questions
Is there a direct flight from Baltimore to Ontario?
Yes, Southwest Airlines operates nonstop flights from Baltimore (BWI) to Ontario (ONT).
Which airlines fly direct from Baltimore to Ontario?
Southwest Airlines operates nonstop flights from Baltimore to Ontario.
How long is the flight from Baltimore to Ontario?
The nonstop flight from Baltimore to Ontario takes ~5h 12m (approximately 3666 km).
How often do direct flights operate from Baltimore to Ontario?
Nonstop flights from Baltimore to Ontario operate daily — 8 flights per week.
What is the on-time performance for flights from Baltimore to Ontario?
Arrivals run on time 78.4% at BWI and 78.9% at ONT — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
What days of the week are there direct flights from Baltimore to Ontario?
Direct flights from Baltimore to Ontario operate every day of the week.
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