I am have great anxiety about a 10 hour flight I have to take on Monday. I have Ativan, but find it takes too long to work, and I am out of it for almost 24 hours, taking 1mg 2 hours before the flight, and another half (under tounge) entering the plane. Is xanax better? this is suppose to last for the whole flight, as I am in such a state of fear the whole time. I took 1mg of xanax at home as a test about 1 hour ago, I feel a little tired, nothing else. What should I do? Again, this is just for flying, I don't take it regularly.