Orlando is bad for lines at security. Miami I hate to come into for customs. Otherwise, I haven't had any problems leaving from Miami. Tampa is the best but they don't have the flights that Orlando does.
I forgot about them closing the bars during the safety briefing on my one Carnival cruise. I don't remember ever seeing this on Royal or NCL. Someone correct me if I'm wrong. We're usually sat at the bar during sailaway.
I normally would be less than impressed with a 4.5 hr flight, but after that long day and flight from Sydney that's a cake walk. I better start mentally preparing for our flight to Melbourne in October.