Originally Posted by
StuckinITH
I think that you are correct about this since there was just a report of an FTer managing to get the upgrade from J to F for both directions just this week (was waitlisted with GPU). If the fare class for Polaris Business was not P or Z, the upgrade to F could be waitlisted by just requesting the upgrade on the website.
I'll check the fare class and call again. It is letting my apply another upgrade if I look at the reservation on online (I'm not doing so), so seems like an eligible class.