Long before, but especially since the 911 airline hijackings, people are weary of airline travel. A lot of people want to know they are riding on a safe airline. Airlines for the most part are safe, and the most dangerous factors usually include flying conditions (such as storms, or mountain terrain). Proper planning of destinations and good airline security lessens the chance of terrorists, bombs and hijackings. Of course there are always the rare occasions that something horrible will happen, but it is said to be 100s of times more dangerous to travel by car than it is by plane. That statistic should be comfort enough. The International Aviation Safety Assessment is a guide to which countries meet the airline safety checks, not the airlines themselves.
The majority of airline accidents occur on take off and landing, so you should try and book flights that dont have a stop over destination. Thats a good preventative measure right there, not only that, but you wont have to sit and wait to change planes half way through your flight. Another good way to fly safer is to know that larger airplanes have stricter rules and the passengers have a better chance of survival if the...