FlyerTalk Forums - View Single Post - Paid upgrade at ticketing-24 hour refundable?
Old Feb 18, 2017 | 12:02 pm
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WineCountryUA
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Originally Posted by nycityny
The reservation I'm discussing booked into P class. Again, it was an upgrade offered when I purchased the ticket. When I hit the "purchase" button the offer popped up and allowed me to upgrade to First Class for $xxx. I agreed to pay the money and the result was P class. Even when I've accepted upgrades at check-in it books into P class. ...
Not always true for check-in upgrades. If you are in P, then that is your SDC fareclass. This was likely -UP fare and in the past sometimes the -UP fareclass was also needed.

Originally Posted by nycityny
... In what circumstances would it book into PN or ZN? I understand R is for instrument/mileage upgrades.
It all covered in the wiki of http://www.flyertalk.com/forum/unite...ome-don-t.html
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