Buy-up offers, SDCs, new tickets, some other flight canceled and it was rebooks... I think people vastly underestimate the amount of churn the typical flight has in its last 24 hours.
Originally Posted by
ieChicago
If they are TOD upgrades offered during the check-in flow, these show up as "cleared" upgrades though, right? That's certainly been my experience.
Sometimes, but definitely not always.