Originally Posted by
hoangtri1
Well, it's exactly the same as Bonvoy's policy for Platinum or higher so that's a positive sign that matching could happen.
Not true. Bonvoy's policy is currently that Platinums and higher get GUARANTEED 4 PM checkout except at resorts and convention centers. That said, every one of the MGM properties would likely call itself a resort/convention center to get that "as available" result.