Baltimore/Washington International Thurgood Marshall Airport · BWI → ONT
No nonstop from Baltimore to Ontario
This route last flew in September 2026. At its busiest it ran 7 nonstop flights a week.
Southwest
Who flew it, as last observed.
Did Baltimore (BWI) stop flying to Ontario (ONT)?
Baltimore (BWI) does not currently have a nonstop to Ontario (ONT). The route was last observed in September 2026, flown by Southwest, running up to 7 flights a week at its busiest.
Routes come and go — seasonal services in particular return, and airlines add back capacity they cut. If it resumes it will show up on this page. In the meantime, Baltimore/Washington International Thurgood Marshall Airport still flies nonstop to 94 other destinations.
Based on observed departures through September 2026. Airlines add and drop routes continually — confirm with the airline before you plan around this.