India, Nov. 14 -- The Federal Aviation Administration (FAA) has lifted its nationwide ground stop on US flight departures after a telecommunications failure disrupted air traffic control centres across the country.

US Transportation Secretary Sean Duffy confirmed that airspace had reopened after technicians restored functionality at air traffic control centres and Terminal Radar Approach Control (TRACON) facilities. However, he cautioned that it would take time for airlines to return to normal operations.

"After restoring full functionality at our air traffic control centres and TRACONs, the FAA reopened the airspace tonight," Duffy said, urging passengers to check with their airlines for updated flight information. Duffy blamed outdate...