by Marianne Hicks on June 14th, 2005

Marianne Hicks

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At what speed does the average commercial jet fly?

Answers. 3 helpful answers below.

  • by jalex137 on June 23rd, 2005

    jalex137

    The larger jets that fly transcontinental and transoceanic routes will have cruise speeds in the 500-600 mph range (around .8 mach). That's airspeed. Headwinds and tailwinds will add to or subtract from that for groundspeed. I once flew in a 747 over the Pacific returning from Asia. We got in the jetstream and picked up a 150 mph tailwind, which put our groundspeed over 700 mph.

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  • by Danny_R on December 10th, 2010

    Danny_R

    well same as jalex but a normal plane will cruise under mach 1
    many reason mach is bad for your body you need a special suit and supplying evrey single passenger with that will be expensive

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  • by mike.in.montana on November 19th, 2010

    mike.in.montana

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