Originally Posted by
lg20
...So, if you buy a ticket on a qualifying fare, and you are eligible for an upgrade (either by status, using miles, or a guest upgrade), you are immediately put on the upgrade waitlist...
As far as I know there is no mechanism for being put on the waitlist when you're going to use a guest upgrade cert. You have to watch for U space to open up and initiate the upgrade yourself -- the system won't do it for you.
Anyone have info to the contrary?