A turbofan-powered passenger plane usually flies around 800 to 900 km/h (about 500 to 560 mph) in cruising flight, though the exact speed depends on the aircraft and conditions.

Quick Scoop

  • Many modern airliners with turbofan engines cruise near Mach 0.78 to 0.85. That’s roughly the same 800 to 900 km/h range at typical cruising altitudes.
  • Some older or faster jets can go a bit quicker, while smaller turbofan aircraft may cruise a bit slower.
  • Turbofan engines are designed for efficient subsonic flight, not extreme top speed.

Simple example

A plane like a Boeing 737 or Airbus A320 often cruises around 850 km/h in normal flight, give or take wind and routing. A headwind can make the ground speed lower, while a tailwind can make it higher.

TL;DR: turbofan planes usually fly about 800–900 km/h in the air, which is about 500–560 mph.