Moving air traffic controllers means retraining them on the quirks of a new facility, and the process can take years.

The CEO of United Airlines maintains that New Jersey's Newark Airport is safe, despite construction, equipment failures and staffing issues that have resulted in delayed and canceled flights, NBC News' Marquise Francis reports.

There is more bad news for Newark Liberty International Airport. The FAA wants to keep reducing flights at the troubled airport for months to come.

Another air traffic control equipment outage caused the FAA to implement a ground stop for Newark Liberty International Airport bound flights Sunday morning.

Transportation Secretary Sean Duffy said Monday that “fast-track” fixes are being made to address the continuing communications and radar failures at Newark Liberty International Airport.

Transportation Secretary Sean Duffy says a new software update prevented a third radar outage over the last two weeks at New Jersey's busy Newark airport when a telecommunications line failed again over the weekend.

EWR will see a reduction in flights as the Federal Aviation Administration works to upgrade technology at the airport and address safety

As few as three air traffic controllers were working at Newark Liberty International Airport Monday evening, according to a published report. That’s 11 fewer than the targeted amount for that time period, The New York Times reported.

Sunday's incident marks the fourth time in the past two weeks that technical problems have disrupted air traffic at Newark.