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The average airspeed of commercial jets is 500 knots.
This is roughly 575 mph or 925 kph.
im not saying your wrong... i may be but when i looked it up i got this answer
A commercial airplane travels at a velocity of about 600 miles per hours. ... hence the average speed for the entire voyage is 444 miles per hour
so im not sure whats right =P
As an ex airline avionics tec, the above info is correct.
however if we consider Einsteins theory of relativity and take the position of an observer, we find that the speed and direction of the air in which the aircraft is flying affects the ground speed. we must add or subtract this "wind speed". in addition "indicated" airspeed is not necessarily true ground speed but speed through the air and is a function of air density. Since air density decreases with altitude and temperature, the "indicated airspeed" of an aircraft can be substantially different than ground speed.
IE prevailing westerly jet stream of 50kts (for example) adds 50kts ground speed to the flight if traveling east. traveling west, we subtract from the ground speed.
as a final thought. a typical travel time from Chicago to New York involves getting to the airport, checking in, boarding, taxi time, flight time, approach and landing, taxi again, disembarking, connecting to ground transportation. If we consider all aspects of this "communication" process we find 5.25 hrs not unreasonable from point a to point b
dividing this into the miles traveled we find a speed of about 133 mph as the Real speed.
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