Duffy laid out an extensive plan to replace the nation’s outdated air traffic control system last week, including installing 4,600 new high-speed data connections and replacing 618 radars, but didn’t put a price tag on the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

Newark Liberty International Airport in New Jersey has been dealing with nonstop delays and flight cancellations due to outdated equipment and air traffic control understaffing across the U.S.

Travel woes at Newark Airport continued Monday after a weekend featuring another radar outage, a ground stop and dozens of flight cancellations and delays. The FAA announced Newark was operating on a ground delay program,

Newark approach lost radar and comms with at least 16 commercial jets. Many circled in oval loops before landing elsewhere. A CNN data analysis reveals the ripple effects from the outage.

Greg Raiff, founder and CEO of Elevate Aviation Group, told Fox News Digital that under-invested infrastructure and major staffing shortages are disrupting flights at EWR, and the immediate solution is to decrease the number of flights while increasing recruitment.