WATCH LIVE: Duffy gives an update after nationwide flight grounding

Transportation Secretary Sean Duffy will hold a press conference Saturday at 10:30 a.m. at the Department of Transportation headquarters to give an update on flight operations following a nationwide ground stop.FAA’S MODERNIZATION PUSH FACES RENEWED SCRUTINY AFTER NATIONWIDE OUTAGE: WHAT TO KNOW Recommended Stories Duffy said Friday evening that analog infrastructure became overloaded with data, causing inconsistencies in data for radar communications systems across the country, leading the Federal Aviation Administration to halt all flights. He said recently installed equipment continued functioning, while older technologies experienced failures.The ground stop led to the cancellation or delay of over 10,000 flights, leaving air travelers stranded across the country. Duffy said the process to get flights back up to speed was moving forward “slowly,” but noted disruptions will continue.