Effective April 17, 2020: The Postal Service’s flagship Priority Mail Express service, which guarantees overnight service, will not change. Service commitments for local 1-day Priority Mail will not change. Priority Mail’s two and three day service commitments now will be extended to three and four days respectively. Customers will continue to receive end-to-end visibility and improved product tracking, as well as up to $50 in free insurance. With the extra day extension, customers should expect delivery using Priority Mail Open and Distribute (PMOD) to range from two to four days nationwide. First-Class Package Service (FCPS) two and three day service commitments will also be extended to three and four days respectively.