Direct flights from Ontario to Baltimore ONT → BWI
Southwest Airlines flies nonstop from Ontario (ONT) to Baltimore (BWI), daily. The flight takes about 5h 12m and covers 2,278 miles (3,666 km). Arrivals run on time 78.9% at ONT and 78.4% at BWI — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Schedule data from 21 July 2026.
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Southwest Airlines
WN
Departure Schedule typical week
Typical weekly schedule · 7 flights per week · Updated 40d ago
Southwest Airlines
Frequently asked questions
Is there a direct flight from Ontario to Baltimore?
Yes, Southwest Airlines operates nonstop flights from Ontario (ONT) to Baltimore (BWI).
Which airlines fly direct from Ontario to Baltimore?
Southwest Airlines operates nonstop flights from Ontario to Baltimore.
How long is the flight from Ontario to Baltimore?
The nonstop flight from Ontario to Baltimore takes ~5h 12m (approximately 3666 km).
How often do direct flights operate from Ontario to Baltimore?
Nonstop flights from Ontario to Baltimore operate daily — 7 flights per week.
What is the on-time performance for flights from Ontario to Baltimore?
Arrivals run on time 78.9% at ONT and 78.4% at BWI — 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 Baltimore?
Direct flights from Ontario to Baltimore operate every day of the week.
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