Niraj Chokshi

A communications outage Friday led the Federal Aviation Administration to pause departing flights nationwide, but pilots were not entirely cut off from federal air traffic controllers.

A nationwide FAA ground stop lifted Friday night disrupted thousands of flights, leaving some sports teams stranded and forcing travel changes for upcoming games.

Thousands of travelers across the United States were stranded in the aftermath of a ground stop that Transportation Secretary Sean Duffy blamed on faltering, aging infrastructure.

Travelers across the United States and beyond were still facing delays and cancellations on Saturday as airlines and airports struggled to recover from the ground stop the day before that brought air travel to a halt for hours.

With hundreds of planes out of position and crews out of hours, restarting the nation’s flight system is no easy task.

A nationwide airspace shutdown caused cascading flight cancellations as aircraft, crews, and airport gates fell out of sync, extending disruptions for days.

A decision to shut down flights across the United States on Friday was made after work being done to upgrade a copper communications wire to fiber

Voos começam a ser retomados após suspensão nos EUA Repórter do Estadão relata retomada de embarque de passageiros para Atlanta após caos aéreo. Crédito: Derek Keller/Estadão

The little-known defense giant does a lot of work for the Federal Aviation Administration and owns the equipment for the agency’s telecommunications network.

A nationwide FAA ground stop followed maintenance on air-traffic control communications equipment owned by L3Harris, prompting an investigation into potential responsibility.