LOS ANGELES — United Airlines has launched the longest nonstop flight from the U.S. from its Los Angeles hub to Singapore. <br /><br />The 14,000-km trip takes 17 hours, 55 minutes to Singapore and 15 hours, 15 minutes coming back, according to Forbes. <br /><br />The flight will operate once a day on a Boeing 787-9 Dreamliner with 252 seats combined in Economy, Economy Plus and Business. <br /><br />The world's two longest routes belong to Qatar Airways' Doha-Auckland route at 14,536 km and Emirates' Dubai-Auckland route at 14,193 km. <br /><br />In terms of scheduled flying time though, the new United route will be the longest, due to the strong headwinds on the westbound portion of the flight, USA Today reported.
