Originally Posted by
blacksteel
There is an option to upgrade one of the legs in my currently booked flight to business class for $70, however, the MileagePlus Customer Service rep told me that would not change the PQM for that segment. Is that true?
If it's just an upgrade, then no. If you are buying up to a premium cabin fare code you would get a PQM multiplier, that would surely boost you 16 miles. More details here:
Some Paid Upgrades Count Towards PQD & mileage bonus and some DON'T!