United Airlines is facing a financial hit and potential long-term reputational harm as flight delays and cancellations pile up due to ongoing disruptions at Newark airport - one of its largest hubs and among the busiest in the country.

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

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

United Airlines is letting customers change flights for free as flight delays and cancellations continue to grow at Newark Liberty International Airport in New Jersey.

United Airlines cut 35 daily round-trip flights at Newark Liberty International Airport Friday, citing Federal Aviation Administration technology failures and staffing issues that resulted in five days of excessive delays — including one flight from Boston that was set back more than five hours.

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.