Originally Posted by
zitsky
If I purchase a refundable business fare with UA/ANA flight, is there any way to upgrade the ANA portion from business to first using United miles? If it says nothing about an award?
ANA Business (Z or higher fares, not P) can be upgrade to F (O space) with UA miles, you have to go to a special website (see wiki) to request. You can waitlist on ANA (only *A carrier allowing waitlist by this method).