Sorry, one last try before I stop beating this dead horse. OPs flight was a single leg, Companion Cert booking ATL-MCO, booked 4 days prior to flying. So he linked additional International flights before and after the time of booking, to then open up the viewing of the Updrade List to him 4 days prior? Or, some other international flyer who had flights for 4+ days prior to the OPs ATL-MCO flight (but also on the ATL-MCO leg) checked in to their first leg, and that opens up viewing of the Upgrade List for all pax on that ATL-MCO 4 days early?