My guess (I'm hoping at least) is that this will be more common on routes that historically go out with empty seats in F... and might just be US's attempt to get a bit more money for them than what they would fetch as GoUpgrades.
Originally Posted by
GNVGator
There is a thread a couple of posts down (I don't know how to insert a thread) titled GoUpgrade versus OLCI or something like that.
Just put in a moderator request to merge the two threads.