@KSK1912 wrote:OP utilization has no memory, so even if your scores are dinged for a month, once you pay it down and the your next statement reports to the cra's, your scores will recover. Unless you are in the process of applying for mortgage or such, it is nothing to sweat about. Pay it whenever it is more convenient for you.
+1 There is nothing to worry about just make sure to pay it by your due date to avoid any interest. The only exceptions to this are if you are planning other apps within the next month or two.
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Push the payment from your bank if Amex won't allow you to initiate a payment from their end when your balance is zero. Just make sure your bank credits before/at your Amex statement close date b