Originally Posted by
TravelTheWorld66
Can overseas economy award tickets be upgraded to business class using miles, or can you only upgrade using miles when you've actually purchased the ticket?
For example how would you get into business class if the only awards available are in economy? ...
Much discussion of this in
http://www.flyertalk.com/forum/unite...ns-issues.html
You don't "upgrade" an award ticket but you can waitlist for a higher cabin (but only on UA operated flights).