Originally Posted by
GoPhils
I imagine if you see that you've been pre-booked into an upgraded room, checking in online should "guarantee" you actually get it?
No. Upgrades are based on availability at check-in & in the case of upgrades it means when you actually physically check-in. There are reports on both SPG/MAR forums where people have done OLCI, saw an upgraded, and then at physical check-in were downgraded back to normal room.
Cheers.