Originally Posted by
5khours
International upgrades are a complete scam. On popular routes, they are nearly impossible to get. I left NWA after 20 years of being a Plat because I went 0/20 on transpac upgrades for a year. I'm surprised no one has filed a complaint with the Fair Trade Commission. It's totally fraudulent.
Wouldn't know about NW but on DL every time I've wanted to use miles/PMUs to upgrade from Y/B/M to BizElite, I've been able to. Even on popular routes. Just make sure to call the elite line, confirm X inventory, and then book the higher price economy fare and the upgrade all at one go.