Originally Posted by DC_infrequentflyer

As this thread as tells me this route seems notoriously difficult to have an upgrade clear, my question was more along the lines of how do I check for R-space?

I know how to look up the expert mode, but I typically try to price out the same itin as if I were booking a new ticket and look at the fare class avail in the details, is there a smarter way to do this?....