Transportation Secretary Sean Duffy unveiled a multi-billion dollar plan to modernize America's air traffic control systems on Thursday. CBS News senior transportation correspondent Kris Van Cleave has the details.

Transportation Secretary Sean Duffy said the Trump administration can revamp the nation’s air-traffic control system in three to four years if Congress approves billions of dollars in funding.

Delays continue haunting travelers at Newark Liberty International Airport. There were 175 delays and 40 cancellations as of Thursday afternoon.