Originally Posted by wimpypipsqueak
You only get 25% bonus on UA or UX operated flights. Not sure if SK have premier seating, i suggest you call UA and ask.
They do have a premium economy cabin (Economy Flex?), but it is not complimentary for *G's, IIRC. I believe it is a seperate class of service like BA's WT+. Of course, upon check in, a *G card might be able to sway their opinion if it is not full.
The OP might be better asking in the SAS forum.