Duffy laid out an extensive plan to replace the nation’s outdated air traffic control system last week, including installing 4,600 new high-speed data connections and replacing 618 radars, but didn’t put a price tag on the plan other than to say it will cost billions.

For the third time in two weeks, Newark Liberty International Airport air traffic controllers overseeing the busy New Jersey airport were temporarily unable to contact pilots.

Air traffic controllers handling flights approaching and departing Newark Liberty International Airport experienced another outage early Friday morning. The blackout included losing radar for about 90 seconds at 3:55 a.m. local time, the Federal Aviation ...

Transportation Secretary Sean Duffy plans to reduce the number of flights in and out of Newark Liberty International Airport for the "next several weeks."

Newark Liberty International Airport in New Jersey has been dealing with nonstop delays and flight cancellations due to outdated equipment and air traffic control understaffing across the U.S.