how fast do commercial planes fly

Commercial planes typically cruise at speeds between about 547 to 575 mph (880 to 926 km/h), which is roughly Mach 0.74 to Mach 0.85 depending on the aircraft type. Popular commercial jets like the Boeing 737 MAX cruise around 521 mph, while larger planes like the Boeing 747 or Airbus A380 cruise around 560-570 mph. These speeds balance efficiency, fuel consumption, and safety for long-distance flights. No current commercial jet flies faster than the speed of sound during normal operations.