FlyerTalk Forums - View Single Post - Best chances for upgrade J to P USA to EU with miles?
Old Dec 6, 2008, 12:37 pm
  #2  
cfischer
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Join Date: Aug 2005
Location: BOS/EAP
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just remember that you cannot upgrade from low J-fares such as Z-class. They usually open A-seats closer to departure, but there is no guarantee.
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