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Thread: Fare class upgrade business to HNL
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Old Jul 24, 2013 | 9:13 am
  #2  
nova08
 
Join Date: May 2009
Location: PHL
Posts: 2,842
http://www.flyertalk.com/forum/unite...uckets-ua.html

To upgrade Coach>Business you should look at the R and F buckets. F tells you how many seats in the cabin remain and R tells you how many are available at the time for an instant upgrade. If R=0 when F=9 you will have to waitlist.
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