The Boeing 747-8 has a cruising speed of Mach 0.86 ... In fact, the world's first jetliner, the de Havilland Comet, was ...

The aircraft before them, gleaming in the morning sunshine, was more than double the size and weight of any existing jetliner. An airplane of firsts and superlatives, the 747 owed its instant fame ...

Indeed, according toBoeing, the 747-8I is also the world's fastest commercial jetliner, and it can cruise at Mach 0.86 (490 knots / 908 km/h) during flights as long as 14 hours. At 13,650 km ...