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.There were at least 377 delays and 82 cancellations throughout the day, according to FlightAware. This comes a day after United Airlines announced it'd be cutting 35 flights per day from Newark due to persistent equipment and staffing issues.

United Airlines says its forced to cancel 35 daily flights from Newark due to staffing and technology issues at the airport, a major hub.