The shortage of certified air traffic controllers in the US has led to flight disruptions and headaches for travelers across the country, most recently at busy Newark Liberty International Airport in New Jersey,

Delays persisted Saturday at Newark Liberty International Airport. They come a day after United Airlines announced they'd be cutting back flights at the airport​ due to persistent equipment and staffing issues.

Hundreds of flights were canceled or delayed at Newark Liberty International Airport over the weekend and again on Monday as shortages of air traffic controllers persists, causing flight disruptions at one of the nation’s busiest airports.