The Federal Aviation Administration issued a nationwide ground stop at airports, including Philadelphia International Airport, due to “extraordinary circumstances and for safety reasons.”
“The @FAAnews issued a nationwide ground stop for all U.S. airports following a communication issue impacting all Air Route Traffic Control Centers. FAA technicians are investigating the issue,” Transportation Secretary Sean Duffy wrote on X. “We will provide immediate updates as we have them.”
This is a developing story and will be updated.