Some people may spend 80 or 90 hours. And many times they are at a small airport somewhere where there is very little traffic and the practice area is close by. Here in San Diego, that number just can't be obtained in my opinion. To prove this, hang out at the airport and do the following. Ask people you see if they are a pilot, then tell them you are thinking about learning how to fly and want to know how long it will take.
Most pilots love to talk about flying and the time they too learned how to fly.
As a framework for giving you something to think about I present the following information. You may not like reading it, but currently my experience is that it takes about 60 hours of flight time and about 60 hours of instructor time to get the Private Certificate for example. My personal philosophy is that I want you prepared for the real cost, I don't want you starting and then finding out you still need to spend more. I also want you to be an excellent addition to that special group of people - we call pilots. Private Pilot Certificate Based on flying twice per week and spending about 10 hours per week studying.