Called in my order but still had to wait on my ord...

Called in my order but still had to wait on my order. I called after I left work in Port Arthur GPS said 18 minutes to get to the distination down from my house on Dowlen. And still had to wait about 20 minutes after I arrived had to pay first before they started my order. So I guess I want call in before I come to pick up my order. I seen other people with call in orders they came in paid for there order and was walking out with there food. While I had to wait on them to make my ordet