We are all gonna die. Statistically it is unlikely to be in a plane but it is not outside the realm of possibility if you fly. Humans are great at justification. If we ever really considered how tenuous our existence is we would likely lay around in the fetal position accomplishing nothing.
Not saying fear is not good at times and helpful for self preservation but maybe you need to spend sometime reconciling your overall fear of death. There are in my view two approaches to this. One, which I subscribe to that this life isn't all there is or two, this is all there is and if your dead you wont know the difference. Either way my view is it is better to get there doing the things you love than sitting in a chair growing old full of regret.
Just my .02