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

Over the past two weeks, several equipment outages at the Philadelphia-based air traffic control center that guides planes to and from Newark Liberty International Airport, have raised questions on just how safe it is to fly at one of the nation’s busiest airports.

United Airlines executives are trying to reassure their customers it is safe to fly at Newark Liberty International Airport​, despite all the recent problems.

Moving air traffic controllers means retraining them on the quirks of a new facility, and the process can take years.

At times Monday evening, as few as three air traffic controllers per hour were lined up to monitor via radar the planes flying into and out of the airport, the Federal Aviation Administration said.

Airline has trimmed its daily routes following technology and staffing issues affecting New Jersey hub.

With summer travel season approaching, the crisis at the New Jersey airport could mean weeks, if not months, of misery for travelers.

The Federal Aviation Administration is considering temporary flight reductions in and out of Newark Liberty International Airport, and it's launching a safety task force.