I attended a screening of this film in Scottsdale, Arizona before it was released. It was just over three hours long and several people fell asleep during it.
I saw people either from the studio or who were involved with the film reading comment cards filled out by the people who had just watched the screening. I heard one person who had been reading the cards say out loud, "They keep saying it's too long!"
So I know they did delete some scenes but as my first viewing put me off this movie I didn't watch it when it was deleted to see what they cut out.