Singapore Airlines A340 ready to commence the world’s longest non-stop flight from Newark to Singapore (18.5 hours) via North Pole. (Carlos Borda)

“In October 2012, Singapore Airlines announced that it will be returning all of its leased A340-500 aircraft to Airbus and discontinuing its non-stop service to Newark and Los Angeles in 2013.[9] Once SQ21 and its related flights are discontinued, Qantas Airways' non-stop flight from Sydney to Dallas/Fort Worth will be the world’s longest non-stop flight." -Wikipedia