Panicked travelers hear a new message from airports: Don’t get here so early

Images of never-ending security lines at U.S. airports and frustrating tales of missed flights are pushing panicked travelers to show up way before their departures. In Ohio, John Glenn International Airport in Columbus says early birds — reacting to the funding standoff on Capitol Hill that’s creating crowded security checkpoints — are making things worse by creating bottlenecks during peak times. What's confusing for air passengers, though, is that it's hard to predict which airports will be plagued next by security lines spilling out of terminals.