Flight grounding starts

Philadelphia International Airport flights grounded at 9:48 a.m. Monday after FAA detected equipment failure at air traffic control facility

“We discovered that the backup fiber had a break, and that fiber break is probably 13 hours to repair”

East Coast impact

Over 1,000 flights delayed across East Coast airports including New York and Boston

Repair timeline

FAA says circuit repair will take 13 hours with backup line damaged by Amtrak crew

PHL delays

Inbound flights delayed 212 minutes average, outbound flights delayed 60 minutes

National impact

Nearly 4,000 flights delayed and 500 canceled nationwide

Historic context

PHL's air traffic control facility has experienced multiple outages in recent years

Congressional response

Congress approved $12.5 billion for air traffic control upgrades after recent outages

FAA repair progress

New circuit installation underway with repairs expected to complete by 2:45 p.m. Monday

Amtrak involvement

Amtrak crew accidentally cut backup fiber line at construction site