best way to overnight a letter

best way to overnight a letter The best way to overnight a letter is through a courier service such as USPS, FedEx, or UPS. USPS offers Priority Mail Express for overnight delivery, ensuring that your letter arrives by the next day. FedEx and UPS also provide similar services, like FedEx Overnight or UPS Next Day Air. These services offer guaranteed delivery times, typically by 10:30 AM or by the end of the business day, depending on the destination. For urgent letters, these overnight shipping methods are reliable and secure options to ensure timely delivery.