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. But some airports where the wait t

Travelers panicked by scenes of never-ending lines at U.S. airport security checkpoints and frustrating tales of missed flights over the past few weeks are now showing up way before their departures. In Ohio, John Glenn International Airport in Columbus is warning passengers against arriving hours in advance, even creating a chart showing when to show up: “90 minutes before departure is all you need.” The airport says those premature arrivers — reacting to the funding standoff on Capitol Hill that’s creating crowded security checkpoints — are making things worse by creating bottlenecks during peak times.

Travelers panicked by scenes of never-ending lines at U.S. airport security checkpoints and frustrating tales of missed flights over the past few weeks are now showing up way before their departures. In Ohio, John Glenn International Airport in Columbus is warning passengers against arriving hours in advance, even creating a chart showing when to show up: “90 minutes before departure is all you need.” The airport says those premature arrivers — reacting to the funding standoff on Capitol Hill that’s creating crowded security checkpoints — are making things worse by creating bottlenecks during peak times.