Updated

An FAA equipment problem disrupted air travel Monday, halting flights to Newark Liberty International Airport, Philadelphia International Airport and New York-area airports. The outage snarled operations at some of the busiest airports in the country, causing delays and cancellations that rippled through the broader air-travel network. The incident adds to a string of recent air-traffic-control and technology disruptions that have raised concerns about the resilience of U.S. aviation infrastructure. Airlines and passengers faced significant schedule disruptions as authorities worked to resolve the equipment issue.