The United States Postal Service (USPS) offers a variety of shipping options, each with its own delivery rate and schedule. Standard Post is delivered in two to eight business days according to the USPS.
First Class Mail is a second delivery option. The delivery window for First Class Mail (up to 13 ounces) is between one and three business days. The delivery schedule does not contain specific information for delivery within the same state. Priority Mail is a third shipping option that shortens the delivery window to one, two or three business days depending upon starting and ending destinations. Saturday is considered a business day unless it falls on a national holiday.