Originally Posted by
the810
No, LO is definitely not holding back from selling full fare business tickets so they can give a cheap upgrade to someone

My understanding is that LO always offers Plusgrade bids, no matter the availability. It is of course possible that someone will cancel and a seat becomes available, but it's quite unlikely.
Hahaha. Fair point. Funny that they open the Plusgrades even when there are no more full fare tickets available. Thanks for the info!