You also have to remember that chances are all of us are going to have to board a flight multiple times during our life so with that in mind, if flying is truly a frightening episode do your self a favor and start coping with it now... not the days or weeks before you have to get on a plane.
It is just like any other event you may come across.. a job interview, running a marathon, remodeling your home, etc.. these are all sort of random acts but the point is you dont just wake up and do them, you prepare weeks, if not months, in advance before the big day comes around.
If flying makes you that anxious, approach it with a plan and just like someone who has trained hard for a marathon, you will feel confident and even excited for the task at hand when the day comes around.