Federal Aviation Administration officials and Secretary of Transportation Sean Duffy are at separate hearings Wednesday morning on Capitol Hill, as cancellations and delays continue to plague Newark International Airport and impact other airports around the country.

The recent chronic delays and cancellations at New Jersey’s largest airport have highlighted the shortage of air traffic controllers and the aging equipment they use, which President Donald Trump's administration wants to replace.

Staff shortages and equipment failures at Newark Liberty International Airport have raised safety concerns in recent weeks.