Originally Posted by
FDXLAG
PDO (Per Diem Only) You get the hours (and sit at home or fly an extra trip) the bumper flys the trip and get per diem and travel bank.
Non members were grandfathered, and in this case is probably a management pilot.
Reasons to PDO bump - Trip is going somewhere you want to go (usually involving a deadhead) or management pilot needs to fill squares.