Unique New Orleans parking question

Sailing on Carnival out of New Orleans and plan on parking in garage. Upon disembarking, how long can we leave our car in the garage? We are attending a Saints game on Sunday and want to leave the car parked there until after the game. Is this possible? Thanks!

Ask them when you check in, and keep in mind that it will take you a while to get back to the parking garage from the Superdome. It is about a 15-block walk, and cabs can be hard to find.