How long does it take to get a car insurance?

We have a company, we are just waiting for a quote. I need it asap. But I am under my dad cuz he is the primary. He is taking his time, and saying it takes a while, even though I know it doesnt take that long either.
Btw. Its my car and I am paying for both insurance, I just need him to be primary so the insurance wont be that high. thanks