A traveller checks the flight information board as others walk through the terminal at Baltimore/Washington International Airport on Thursday. Hundreds of flights have been cancelled in at the busiest U.S. airports because of the government shutdown. (Stephanie Scarbrough/The Associated Press) U.S. airlines began cancelling hundreds of flights on Thursday as the Federal Aviation Administration sought to reduce traffic at the country’s busiest airports because of the government shutdown. More than 760 flights had been cut from Friday’s airline schedules, according to FlightAware, a website that tracks flight disruptions, by lateRead more