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Thread: FAQ: Fare Class Definitions (including which fares are upgradeable)
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Old Feb 6, 2003 | 10:45 am
  #9  
bwallet
 
Join Date: Jul 2001
Location: Norman, Oklahoma
Programs: Southwest A List Preferred, Bonvoy Platinum, Hyatt Globalist, American Airlines Gold
Posts: 694
<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by asnovici:
Actually, International upgrades on NW metal come from D, International upgrades on KLM metal come from I.
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Really? That's certainly not what was discussed in this thread:

http://www.flyertalk.com/forum/Forum35/HTML/003609.html

BTW, that thread is also the previous one that laid out all the fare codes.
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