Originally Posted by
coltonatx
Why wouldn't manager confirm the suite upgrade for a MUCH higher SPG paying customer instead of someone who gets it for having an AMEX CC?
Considering there are so many variables, one I mention above, I nor any regular forumer here will be able to answer your question with 100% certainty!
I will guess that on your night of check-in until you check-out, suites are PAID FOR, so they cannot upgrade you.