The Federal Aviation Administration said staffing was a major cause of flight delays this weekend, though the shutdown ties aren't clear.

A sign marks the Federal Aviation Administration's (FAA) Boston Air Route Traffic Control Center, where air traffic controllers continue to work during the U.S. government shutdown, in Nashua, New ...

WASHINGTON (Reuters) -U.S. airlines warned on Monday that a partial federal government shutdown could strain American aviation and slow flights, as air traffic controllers and security officers would ...

The Dallas airspace experienced a similar radar outage to the ones that affected Newark earlier this year, prompting flight delays and diversions.

As of Monday morning, a staffing trigger was in place in the Philadelphia area, which also includes Newark International Airport.

More than 16,000 flights have been delayed this week, as air traffic controllers work without pay and airports struggle with ...