Do paid upgrades change fare type?

Old Jan 18, 19, 2:56 pm
Original Poster
Join Date: Mar 2011
Location: CHS
Programs: Delta 360/DM/2MM, UA 1K, AA Gold, Marriott Ambassador Elite/Lifetime Gold, Hilton Diamond
Posts: 124
Do paid upgrades change fare type?

I didn't find an answer via subforum search, so I'm hoping someone here knows the answer or can link me to the proper thread.

If I'm able to upgrade a PE K fare at checkin in ATL, will it in fact become one of Z/I/D/C/J?

Asking as I would like for my DL 2MM flight in a few weeks be on DL metal ATL-ICN, rather than on the connecting KE ICN-SYD flight.

Silly, I know... *shrug*
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Old Jan 19, 19, 3:39 am
Join Date: Aug 2011
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IIRC paid airport upgrades leave you with your original fare, but you are simply issued a boarding pass for Upper Class. (as an op-up would do...)
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Old Jan 21, 19, 2:25 am
Join Date: Mar 2016
Location: London, UK
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  • Paid upgrades (I.e. cash upgrades), for me have always gone into Z, no matter the cost of them. I have always earned Z Miles & Tier Points for these too.
  • Miles upgrades go into G and you usually have to chase for the underlying fare Miles/Tier Points - although I think the computer has become smarter now and should reward the underlying fare.
  • Op-Up's go into G, but one time I had an outstation do it wrong and they put it in Z.
Happy to be corrected here, but this is based on my experience of upgrade hunting, quite extensively.
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