According to air traffic control audio, security came to inspect the aircraft after someone named their Bluetooth device a "certain four-letter word."

United Airlines CEO Scott Kirby outlined plans for Newark Liberty Airport from collaborating on a new Terminal B to restoring some flights.

The flight to Palma de Mallorca diverted back to Newark late on Saturday. Air traffic audio and social media posts indicate an onboard Bluetooth device raised security concerns.

A United Airlines flight from Newark to Spain turned around midflight Saturday due to a possible security threat.

A United Airlines flight to Spain was diverted back to Newark Liberty International Airport on Saturday over a possible security threat, officials said. United Airlines flight 236, a Boeing 767 carrying 190 passengers to Palma de Mallorca,