BWI Passenger Who Threatened Airline Attendant Arrested

CHICAGO — A Maryland passenger aboard a Southwest Airlines jet was arrested Tuesday afternoon at Chicago's Midway Airport after threatening a flight attendant.

Flight 2205 from Baltimore Washington International Airport landed at 4:40 p.m., and Chicago Police boarded and took the man into custody, according to the airline. An off-duty police officer who was on the flight detained the man until Chicago Police could take him.

NBC Chicago obtained cell-phone video from another passenger on the flight.

It's not yet clear what the man said. Authorities have not identified the man.

This post will be updated as charges are filed and new information becomes available.