FlyerTalk Forums - View Single Post - Can I use my Delta Skymiles to book Korean air?
Old Jul 26, 2015 | 6:56 pm
  #13  
michael_v
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Join Date: May 2006
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Originally Posted by leoric
I am a newbie, what's "J , Y, and F" stand for ?
J = business class
Y = economy class
F = first class
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