FlyerTalk Forums - View Single Post - FAQ: Fare Class Definitions (including which fares are upgradeable)
Old Feb 6, 2003 | 3:55 am
  #4  
bwallet
 
Join Date: Jul 2001
Location: Norman, Oklahoma
Programs: Southwest A List Preferred, Bonvoy Platinum, Hyatt Globalist, American Airlines Gold
Posts: 694
International upgrades for B/M come from I, not D. Typically, I mirrors D, but not always.

Upgrades for Y come from C, I believe.

Oh, and Z should probably be listed as deeply discounted.

[This message has been edited by bwallet (edited 02-06-2003).]
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