The flight crew brought Flight 2032 back to Gate 44 at about 3 p.m. at law enforcement's direction. The flight was scheduled to go from Reagan to Boston's Logan Airport.
The man was then taken into custody.
The plane's 117 passengers were re-booked on another flight. Law enforcement sources said there is no reason to believe the plane posed any danger to the operations of the airport.
It did not disrupt the airport operations or other flights, officials said.