If you can get into the AF academy, then go for it. Riddle is a waste of time. You would do better majoring in another area of interest as a fall back career.
There are two different tracks you should look at. Military and non-military. Miltary is great if that's what you want and you can get it. Non-military has many sub-options. Riddle, UND, and the aviation universities, are an option but most will say there is a better way. I'm a Riddle grad, by the way. A four year degree is important, though, if you seek a top tier job in aviation. It's really just a matter of putting in your time and paying your dues as you work your way up the ladder.
You should be working on your PPL as we speak. You only need to be 17 to be a licensed private pilot. I had my IFR rating before I graduated from high school.