Exactly, by missing a deadline they ****** Apple up.
As far as I remember it was rumored that the iPhone 6 missed the sapphire display "by mere weeks" and that it wasn't GT Advanced Technologies' fault, but the manufacturers oversea who saw low production yields (as expected in the embracing of a brand new material and processing technique). I also remember a shipment of sapphire being shipped back to the U.S. for reprocessing and someone posting some delivery info that they found for it (China -> GT). This is all off of the top of my head but it was all pretty recently and you're welcome to search for it.