Originally Posted by
MayorMcKnife
I did this exact combo 5 months ago (US stock, UA metal, UA MP #). It was deliberate because it was an experiment I was running with a "well known" FTer of all the different combos. I will grant you that momentarily, my US DM # was on the resi, but it was changed (and retained to my UA #). Do you think that initial FF acount assignment made a difference? I guess it's possible, but nobody on the 1P line ever saw anything out of the ordinary.
Regardless - I'm 100% positive of my experiences on the evening sweeps moving me back to E- (I even reviewed the PMs with that FTer). In reading those PMs, I also confirmed that I was told by a UA supervisor that I was "entitled" to E+, but under airport control and of course based on availibility.
I hope that if the OP books the US stock, they report back their experiences on trying to move to E+.
I just booked a ticket on Expedia last week, US stock, UA metal. I entered my MP number during booking but could not get seat assignments on Expedia. Then I logged into .bomb, that trip has shown up in "My Itin" already with E+ seat assignment and middle seat blocked. ^ However, I can't make any seat change on .bomb because of US flight numbers.
BTW, the price different is $836 on these US codeshare flights booked in Expedia instead of $1093 on .bomb. A 30% savings for the identical flights.