Originally Posted by
marzomarz
I'm considering flying SAS on ARN-IAD. To buy an upgradable fare is about $800 more. Is it easy to confirm an upgrade is available/possible before booking the ticket or should I just stick with UA metal?
Your question really has nothing to do with *A.
You're using UA miles for a *A upgrade. I suggest you look in this thread
http://www.flyertalk.com/forum/unite...-carriers.html from the UA forum, particularly post #2.