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Thread: Have a Simple Question About United Airlines/MileagePlus? Ask Here [2019]
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Old Feb 15, 2019, 4:02 pm
  #212  
threeoh
 
Join Date: Sep 2014
Posts: 2,531
With an airspeed of 540 mph plus a very favorable tailwind, it's quite easy to imagine a ground speed of 700+ mph.
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