Ships are even worse. The maintenance of airplanes is more intense than maintenance of cars or trains or ships. We won't even mention trucks. Training for air crews is far more intense than the training for drivers or locomotive engineers or ship captains. An airplane can.
Airplanes move fast enough to get around bad weather.
But these are the words of an engineer, and they aren't convincing. At least, I have never convinced anybody. Because you can't combat emotions with logic. So let us consider the emotion of fear of flying. Why people are afraid of flying People smoke cigarrettes.