“No, making a payment three days late will not affect your credit. In most cases, you have to be 30 to 60 days late for it to affect your credit score.
You should be able to look at your contract to see the grace period for payments so you don’t incur a penalty. In addition, you can see how late your payments have to be before they actually start to affect your credit.
Call your lender and tell them of the situation. It’s a great relationship builder, and they’ll probably tell you not to worry about it.”