The delays continued at Newark Liberty International Airport on Monday evening with average backups of more than 1 1/2 hours.

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

The recent chronic delays and cancellations at New Jersey’s largest airport have highlighted the shortage of air traffic ...

At times Monday evening, as few as three air traffic controllers per hour were lined up to monitor via radar the planes ...