Which are the longest flights in the world?
With a flight time of 18 hours and 20 minutes, Qatar Airways' Auckland-Doha flight covering over 14,535 kilometres is currently the world's longest flight both by distance and time. United Airlines' Los Angeles-Singapore flight, launched earlier this week, covers a distance of 14,113 kilometres and comes second on the list with a flight time of 17 hours and 55 minutes.