World January 21 2019 10:00am 00:56 United Airlines passengers stranded for 15 hours Passengers on a United Airlines flight were back on the ground in New Jersey on Sunday after they were stranded on a tarmac at a frigid Canadian military base for more than 15 hours. 18 hours on a cold plane — United passengers chronicle being stranded in Newfoundland 250 passengers stranded aboard airplane for 16 hours in frigid N.L. town Responsive site?