(computer generated image of Boeing’s forthcoming 777-9X; photo: Boeing)
The distance you’ll be able to fly nonstop, assuming you actually want to do so, may be getting longer.
Singapore Airlines once held the record for the longest nonstop flights with its Flight 21 between Newark and Singapore at 18.5 hours, first launched June 28, 2004 (the return flight, 22, took about 15 minutes less). Although popular with customers, the specially modified Airbus A340-500 proved to be uneconomical to operate, even when it was converted to an all-business class configuration (the extra fuel needed to fly the four-engine aircraft added read more >>>
Source : HuffingtonPost.Com