Originally Posted by
chitownflyer
I called LH MM and the agent told me there is NO method to search for upgrade inventory in advance. One has to make the request and hope for the best, but there seems to be a correlation between award space for free C & F tickets and upgrade award space.
that's b.s.
if none is available then you cannot predict if one will become available before departure. Of course you can you can search for upgrade inventory.