I know there were at least 3 when we went on the Glory in Feb. Not sure beyond that. They would give you a colored ticket and that is the shuttle you went on. Copy and paste the link below. It is to Carnivals FAQ section it might help.
Gary & Rox "554 CES Red Horse" "USAF" Fantasy 2-96 Glory Western 2-07 Ecstasy 01-08 Ecstasy Feb. 1st. & Feb. 6th. 2010 B to B Freedom 12-12-10 Freedom 09-24-11 Triumph 09-10-12 Triumph 09-15-12 Triumph 09-23-13 Triumph 09-28-13