The airline told the Sun the e-mail was sent to passengers who have upcoming flights to or through Newark’s airport, as well as its MileagePlus

The crucial travel hub for United is still struggling to recover from air traffic control glitches that have already disrupted hundreds of flights.

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

United Airlines anticipates a reduction in flight disruptions at Newark Liberty International Airport as runway construction nears completion. The airline has been canceling flights to manage reduced capacity and plans for potential schedule cuts pending FAA decisions.

A dynamic, street-fighting, longtime mayor, his legacy was tarnished by a corruption conviction he never stopped challenging

Operations are returning to normal after a runway equipment issues prompted ground stops at Newark Liberty and Hartsfield-Jackson Atlanta International airports Sunday, the Federal Aviation Administration announced.

Newark Airport reportedly experienced another outage Sunday, resulting in a temporary ground stop at the facility. Newark has been besieged with problems over the last few weeks, including multiple air traffic control equipment outages and widespread delays and cancellations of flights.