FlyerTalk Forums - View Single Post - Multiple aa flights over 3 months, one pnr or multiple?
Old Dec 15, 2018, 6:48 am
  #7  
Often1
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Join Date: Aug 2010
Location: DCA
Programs: UA US CO AA DL FL
Posts: 50,262
One good reason not to do this is that the change fee will be the highest change fee for any segment. Thus, $300 per change and not $200 per change. Additionally, AA does not permit SDC on international tickets until all international segments have been flown. Here that is the last segment.

Unless there were astonishing savings, this can be a very expensive proposition based on factors which OP cannot predict at this point.
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