Originally Posted by
mmff
FYI: If there is no jetbridge, you will board the bus first and then wait for everyone else to cram into you. IME this is a completely useless benefit.
This is not true for all airports.
In NAP, I have been guided to the Speedy Boarding bus which has one end roped off for Speedy Boarders. The door at this end is opened first and the other doors remain closed until Speedy Boarders are all on the aircraft steps.