Originally Posted by
hyperion
I have plenty of miles to burn for an upgrade as well, but so far they keep telling me no as well.
When I tried to use miles to upgrade from Y for my PHL-CDG flight the GP desk told me you can only use miles if your OW ticket is >$600. So if each way your ticket is > than $600 you can upgrade both with miles. If neither is than you can't, etc.