FlyerTalk Forums - View Single Post - Why/When do Airlines Upgrade to Business, from paid Economy Class?
Old Nov 21, 2011 | 2:52 am
  #7  
toyotaboy95
 
Join Date: Sep 2009
Location: HKG, BOS
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Given the relatively few number of FFers in China, it's actually quite common for op-ups to occur on Air China. ^ They go by elite status (incl. that of partners).
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