The fastest airplane in the world is the Lockheed SR-71 Blackbird, as of 2015. The SR-71 broke the world airspeed record on March 13, 1973 with a speed of 2,193 miles per hour.
The fastest civilian airplane in service as of 2015 is the Cessna Citation X, with a top speed of 617 mph. The Citation X is a small business jet with a seating capacity of nine, a maximum altitude of 51,000 feet and a range of 3,152 nautical miles.
The fastest-ever passenger airplane was the Tupolev TU-144 which was capable of cruising at Mach 2.35 (1,800 mph). The TU-144 was a supersonic passenger plane built by the Soviet Union for flights between Moscow, Russia and Alma-Ata, Kazakhstan.