Hundreds of flights at Newark Liberty International Airport were canceled and delayed on Sunday due to an equipment outage.

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

Transportation Secretary Sean Duffy joins 'Squawk Box' to discuss the ongoing delays and air traffic control outages at ...

United Airlines Chief Executive Scott Kirby told customers in an email Monday that it is “absolutely safe” to fly in and out ...