FAA Halts All U.S. Flights in Rare Nationwide Ground Stop

FAA issues nationwide ground stop due to "extraordinary circumstances"

The FAA ordered an extremely rare nationwide ground stop at all U.S. airports on Friday afternoon, citing "extraordinary circumstances" and "reasons of safety." An air traffic control advisory directed all departing traffic to remain grounded until further notice, while inbound international flights will be handled case by case. The agency has not yet explained what triggered the order.