Tranferring a Domain from personal Account to company account

I want to switch the domain between my personal account to this account.
I am the owner of the domain.
How much time will the netlify take after deleting the domain from one account to let it add to another account?

You can migrate this on your own. It should be instant but it make take a total of 48 hours to propagate.

Here are some instructions that may help: Netlify DNS | Netlify Docs