Direct flights from Baltimore to Ontario
7 nonstop flights a week on 1 airline. Zero layovers — one hop from BWI to ONT.
Flight time: about 4h35m nonstop
Which days does it fly?
When does it fly?
Departure times in Baltimore local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Southwest SWA991 | 10:20a | 4h41m | Tue–Wed |
| Southwest SWA2165 | 2:45p | 4h33m | Sun |
| Southwest SWA200 | 8:42p | 4h35m | Mon, Thu |
| Southwest SWA200 | 9:40p | 4h45m | Sat |
| Southwest SWA200 | 9:46p | 4h27m | Fri |
SouthwestThe route
One hop: BWI → ONTDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Baltimore (BWI) to Ontario (ONT)
Baltimore/Washington International Thurgood Marshall Airport (BWI) has 7 nonstop flights a week to Ontario (ONT), operated by Southwest. No layovers, no connections — one hop out of BWI and you're there.
This route flies every day of the week, so any travel day works. Route data updated July 2026 from observed departures.
Route data updated July 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Baltimore to Ontario?
The nonstop flight from Baltimore (BWI) to Ontario (ONT) takes about 4h35m in the air, based on recently observed nonstop departures.
How long does it take to drive from Baltimore to Ontario?
Driving from Baltimore to Ontario takes about 38h 37m behind the wheel — roughly 2,610 miles, or about 4 days of real driving. The nonstop flight takes about 4h35m.