Southwest Airlines crew members reported a disturbance from a passenger aboard Flight 201, Wednesday evening, which was traveling from LaGuardia Airport in New York to General Mitchell Airport in Milwaukee.
According to Southwest Airlines, the man became "agitated and physically threatening" during the flight and had to be restrained.
The flight landed safely and the man was taken into custody by local law enforcement for a mental health evaluation.
Southwest Airlines says they are working with local authorities regarding the incident. They say the airline's primary concern is the safety of their customers.