FlyerTalk Forums - View Single Post - Upgrade to business class with miles from economy
Old Feb 1, 2023 | 12:46 am
  #10  
monopod
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Join Date: May 2018
Programs: TK Elite, Hyatt Globalist
Posts: 102
Do you need I for upgrade? I'm pretty sure you only need J, unless something changed recently. Have you checked separate leg? Sometimes each leg might have J but a full ticket only has D.
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