The flight distance from Baltimore/Washington International Thurgood Marshall Airport (BWI) in Baltimore, United States to Ontario International Airport (ONT) in Ontario, United States is 3,666 kilometers (2,278 miles / 1,979 nautical miles). The estimated flight time for this route is approximately 5h, flying west at a heading of 274°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 3-hour time difference between the two cities.

Time zone information: When it's 22:37 in Baltimore, it's 19:37 in Ontario. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Ontario (ONT) to Baltimore (BWI) follows a heading of 69° (east northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Baltimore/Washington International Thurgood Marshall Airport (BWI) and Ontario International Airport (ONT) detail pages, or use our flight duration calculator to compare other routes.