Amid dire conditions at the airport, an airline operations crew has had to figure out how to get more than 600 flights a day to take off and land without incident.

Newark Liberty International Airport is one of the largest hubs of United Airlines, and the congested airport is also the Chicago-based carrier's biggest operational challenge. The company told 1.5 million customers in a note on Thursday that congestion at Newark has eased since it reduced flights there.

United Airlines slashes Newark flights amid FAA staffing issues, aiming to reduce delays and improve summer travel reliability.

The Department of Justice sued four New Jersey cities Thursday for allegedly obstructing federal immigration authorities with their sanctuary policies, The Post can exclusively

The U.S. Department of Justice filed a lawsuit against Newark, Paterson, Hoboken and Jersey City for what they allege are sanctuary city practices.

The DOJ is accusing the cities of Newark, Hoboken, Jersey City, and Paterson of impeding the administration’s mass deportation efforts.