A small number - 4% - will move to a shorter standard of two days instead of three. But the new rules won't affect about 64% of first-class packages, the USPS says. Some packages will see delayed deliveries, particularly if they travel long distances. Right now, more than 20% of those packages have a two-day delivery standard, and nearly 80% have a three-day standard.īusiness Mail Delivery Is About To Get Slower And Pricier Just In Time For The Holidays The changes that take effect on May 1 deal only with first-class packages, which mainly include small and lightweight packages such as prescription drug orders. The USPS wants to be more efficient, and it says it will save money by reducing air costs. The new standards are part of the postal service's move to rely more on its own ground transportation network rather than using air transport. But under new standards that take effect next month, more than 30% of first-class packages will be seen as delivered on time if they arrive within four or five days. Postal Service currently considers a first-class package to be late if it's delivered more than three days after it was sent. First it was letters and now some packages may take longer to arrive. More of your mail is about to get slower. The service is about to set longer delivery standards for first-class packages, in a move that its regulator says will not have a big effect on its finances. Postal Service truck drives in Philadelphia.

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