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Confidence votes 217. There are a great variety of commercial aircraft, so flying speeds differ. Most commercial passenger jet airliners cruise at about 480 - 560 miles per hour. The cruise speed for each aircraft may vary, depending upon the power setting the crew elects to use.
The average airspeed of commercial jets is 500 knots. This is roughly 575 mph or 925 kph. im not saying your wrong... A commercial airplane travels at a velocity of about 600 miles per hours. ... As an ex airline avionics tec, the above info is correct.