We did the exact same thing for our Oct. trip. I agree about the security check point but HIA is so easy to navigate I don't think there will be a problem either way. About the early return departure time, we just add a day to the beginning of our vacation to make up for it. Perhaps they will change it later on. Also hoping for Resort Airline Check-in, too, by the time we leave. Don't relish the thought of dragging our luggage onto ME bus!