Originally Posted by
lhrsfo
I thought the machines bleeped if people were ahead of the group number. That certainly happened to my daughter at LHR when she was flying with me.
I'd prefer them to make a loud obnoxious "you got caught" buzz.
Originally Posted by
floridastorm
I would bet if the airline made an announcement, before the flight, that anyone who tries to board out of their zone is booted off the flight, everyone would comply.
They don't have to be booted off the flight, just re-zoned to after the last pre-assigned zone and allowed to board only after everyone else. Otherwise, there's no penalty for getting caught.