British Airways told state police that the woman tried to enter the cockpit today on Flight 213.
The flight landed about a half-hour ahead of schedule at Boston's Logan International Airport at 1:30 PM.
A spokesman for state police said troopers were getting ready to board the plane to take the passenger into custody.
No other details were immediately available.
In a statement, British Airways called the passenger "unruly" and said the flight crew asked that police meet the flight in Boston.