Originally Posted by
twister244
I think they simply bundle the two together. I can't remember the exact language for my request, but I think it was something along the lines of the 20k miles will be deducted for getting up to PE. However, my $550 will only stay charged if I make it up to Polaris, and it may be refunded if I stay in PE. I've seen cash upgrades for Economy to Premium Economy, but it seems like UA bundles PE + Polaris for Miles + Money upgrade requests.
That's correct, but it must all be requested together. OP requested an upgrade
only to PE and is now trying to upgrade to Polaris, and that won't work.