Express mail in the United States

Special Delivery, a domestic accelerated local delivery service, was introduced on 3 March 1885 initially with a fee of 10¢ paid by a Special Delivery stamp. It was transformed into Express Mail, introduced in 1977 by Ronald B. Lee after an experimental period that started in 1970, although Special Delivery was not terminated until June 8, 1997. ==USPS Priority Mail Express==

Priority Mail Express is an expedited domestic mail delivery service operated by the United States Postal Service. It provides guaranteed 1-3 day date-specific delivery to locations within the contiguous United States. Delivery to Alaska, Hawaii, Puerto Rico, and US Territories is provided with a money-back guarantee in the event of loss only. Delivery is also provided to many APO/FPO/DPO addresses at varying speeds of delivery. Priority Mail Express includes end-to-end tracking, $100 of free insurance coverage with the option to purchase additional coverage up to $5,000, Signature confirmation can be added at no additional cost, the only service in which an additional charge is not added. Several types of free, branded packaging is offered for use by the US Postal Service when shipping Priority Mail Express. As of June 2025, Priority Mail Express is the only domestic US mail service in which cremated remains are permitted to be sent, for which USPS offers a special shipping kit. Sunday and holiday delivery is available in some major markets for an additional fee. The Priority Mail Express date-specific delivery guarantee is suspended from December 22nd-25th of every year. ==USPS GXG==

Global Express Guaranteed (GXG) service was an international expedited delivery service provided through an alliance with FedEx Corporation. It provided guaranteed, date-definite service from Post Office facilities in the United States to a large number of international destinations. Global Express Guaranteed delivery service was guaranteed to meet the specified service standards or the postage paid may be refunded. For almost all network destinations, liability insurance was provided for lost or damaged shipments. Effective September 29, 2024, Global Express Guaranteed (GXG) service was suspended to all destinations. == References ==