According to the flight-tracking service FlightAware, a communication outage within air traffic control systems has caused significant disruption at airports across the United States. The incident resulted in the cancellation of over 1,000 flights, while nearly 10,000 others faced delays.
International
US flights grounded following air traffic communication failure
A communication outage in air traffic systems has led to widespread flight cancellations and delays across the United States.
Source: The Business Standard