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Old Sep 17, 2011 | 3:49 pm
  #2  
BryanIAH
 
Join Date: Apr 2010
Location: SEA
Programs: AS MVP 75K, DL Diamond, LH SEN, Hyatt Globalist, Marriott Ambassador
Posts: 2,360
RDM: Redeemable mile/award mile
BIS: Butt in seat mile - the actual distance flown excluding class of service bonuses
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