How a Celebration for the Army's 250th Just Wrecked Travel for Thousands

A military parade in Washington, D.C., isn’t just a spectacle on the ground. It’s now grounding flights in the sky. Multiple airlines are canceling or rescheduling service at Reagan National Airport on June 14 to accommodate the U.S. Army’s 250th Anniversary Celebration, a large-scale event that includes military flyovers and fireworks.

CBS News reported that JetBlue, Delta, Alaska Airlines, and American have all confirmed changes to their schedules. Delta canceled eight flights, four arrivals and four departures...