Originally Posted by
BubbaX
If flying on AF metal, you can usually buy an upgrade at check-in. Otherwise, it's an op-up you're hoping for. Keep hoping. At platinum, I fly a bit, and maybe see an op-up once a year (tonight was my lucky night this year, alas intra-Europe)
In your post, from my experience, I would rather say « sometimes » instead of « usually ». This is never guaranteed and, when available, the price may not be acceptable at all !