Typically, your order should completed within 2-8 hours of placing an order and the receipt of fund has been confirmed, with less than 4 hours being the average.
Bank networks could delay order processing.
Your coin deposit must reach certain confirmation numbers before processing begins.
Each confirmation takes between a few seconds and 90 minutes, with 10 minutes being the average. If the transaction is sent with low fees or blockchain network is busy, confirmation can take much longer.