FlyerTalk Forums - View Single Post - AS Mileage Plan number too short to be accepted by British Airways check-in system
Old Nov 4, 2014 | 11:53 pm
  #22  
progapanda
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In my recent experience, a 9 digit Mileage Plan number with three leading zeroes should be accepted by British Airways. Doing so led to automatic crediting of my flights within 1 week.
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