: Express mail delivery is guaranteed to be delivered within 2 days anywhere in the USA, including weekends. Normal delivery takes 2 days. For example, if you order before 1200 noon local Arizona time, your order will be immediately fulfilled and sent that day, with delivery possible in most US locations on the next day. In some cases, Express Mail delivery takes three days. If your order is placed after 1200, with Express Mail Delivery, the order will be fulfilled and sent the following day, and normally received one or two days after it is sent.