Have you ever thought about checking to see what type of airplane you will be flying in? How about seat configuration or seat location? Want to know if the plane is noisy or smooth?
Here are some things to think about, especially if your flight is a long one.
Noise…takeoffs are usually noisy anywhere in the plane. Get to cruising altitude and the noise you hear is not from the engines, but from the turbulent airflow around the cabin. Rear mounted engines, however, produce the most noise. But, rear seats in a plane with wing mounted engines will typically be the noisiest. And, of course, newer planes with newer engines will be less noisy.