If, repeat if, everything goes right. With the monorail it can go down as you are riding it or there can be a delay when a train is brought on to the tracks (they do that at the time of day you are leaving). Things can happen even walking.
And one final thought, what if the last ride you go on breaks down when you are on it and it takes 30 min to an hour to evacuate you and that does happen with regularity.
But it now seems obvious to me that your are determined to make going to MK on your last day a higher priority than getting home. Good luck, but you ARE NOT giving yourself any leeway for problems. But so be it and I hope you make it because an extra ride won't make up for the problems caused by missing a flight.
thanks for lecturing me about my priorities....
its a ten minute walk from the MK to the CR- have done it many, many times...its probably less from the MK to the parking lot...