I had a coffee maker (okay...an avionics tech) in my new hire class. It took him 3 tries...
Being internal does not equal automatic. Because you are "guaranteed" an interview if you meet the mins, I think they might even look at you with MORE scutiny...
However you get here--great people, great jets, some really hard trips and some cakewalks too. I can't imagine being happier flying anywhere else. Good luck!