FlyerTalk Forums - View Single Post - Mileage earning question with DL & Korean Air
Old May 25, 2020, 11:51 am
  #13  
dcadwell
 
Join Date: Jan 2017
Programs: Delta PM
Posts: 888
Originally Posted by metalblaze
Thank you - called the DM desk earlier today, and was in fact able to use MUA for MSP-ICN RT for 45k miles/leg to upgrade from PS to D1. Will use the GUCs for another trip.

Thanks again.
I used miles to upgrade ATL-ICN on my last trip from PS->D1.

Definitely worth it.
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