Knowledge is power, ignorance can feed fear. To help overcome your fear, have you ever considered studying what it is that keeps a plane aloft? It won't help you control the plane you are travelling in as a passenger, but a better understanding of what is going on when you are on board may help you to address your fears & improve the overall experience.
Anyone can learn to fly. You never know, you might find you become as nuts about it as most of the folks who post on here