order. [ 2 ] The  747-400 , the latest version in service, is among the fastest airliners in service with a high-subsonic cruise speed of  Mach 0.85–0.855 (up to 570 mph, 920 km/h). It has an intercontinental range of 7,260  nautical miles  (8,350 mi or 13,450 km). [ 10 ]  The 747-400 passenger version can