When we sailed in October, they started boarding relatively late (it seemed). The first group was called at 11:45 and unfortunately, it was bedlam. Nobody could get where they needed to be or hear anything that was going on. People with much later boarding numbers were right next to the front blocking the way. We had group 3 and we were trying to squeeze our way through people in groups 10, 11, 12 that were right up near the front. I was not impressed with boarding in Miami. Port Canaveral was much bigger, more open and more clear about where to be and what was going on.