1. First-Class Mail: 2-3 business days
2. Priority Mail: 1-3 business days
3. Priority Mail Express: 1-2 business days
Please note that these delivery times are estimates and may vary depending on factors such as weather conditions, peak shipping periods (e.g. holidays), and the specific location within Kansas City. For precise and up-to-date information, it is best to consult the USPS website or contact your local post office.