Originally Posted by
MSPeconomist
However, IIRC at some point, it was important if you wer using pay with miles not to use miles to cover the entire fare. You needed to pay taxes and fees plus a little bit more with money in order to get the MQMs.
Similarly, it can be tricky to use miles to upgrade and earn the full premium cabin MQMs.
The DL website clearly shows how much you need to pay in cash when using your miles with the PWM option. There is a drop down chart and depending on the amount you are going to redeem you see how much you still need to pay. Where is the issue?