FlyerTalk Forums - View Single Post - JFK to YVR, only one leg confirmed, miles stuck
Old Mar 18, 2017 | 2:04 am
  #2  
cxfan1960
 
Join Date: Nov 2006
Programs: MPC,CA,MU,AF
Posts: 8,171
If you get an upgradable Y ticket, you can only upgrade to PEY. So you have to get an upgradable PEY ticket to try to do upgrade to business.

IMHO, it depends on whether you must take the return flight. If so, it may be safer buying an upgradable ticket.
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