The flight distance from Ronald Reagan Washington Ntl Airport (DCA) in Washington, United States to Ontario International Airport (ONT) in Ontario, United States is 3,636 kilometers (2,260 miles / 1,963 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 09:45 in Washington, it's 06:45 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 Washington (DCA) follows a heading of 70° (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 Ronald Reagan Washington Ntl Airport (DCA) and Ontario International Airport (ONT) detail pages, or use our flight duration calculator to compare other routes.