When Do USPS Trucks Go Out for Delivery?

Direct answer: USPS does not publish a universal rule that trucks leave at a set hour such as 9 a.m. Its current FAQ says delivery times are not guaranteed, most deliveries should be made by 5:00 p.m. local time Monday through Saturday, and Sunday delivery is generally limited to Priority Mail Express and Amazon parcels. See Delayed Mail and Packages.

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What USPS officially says about delivery timing

The main official answer is that USPS cannot tell you when a carrier will arrive at a specific address. Mail volume changes daily, so delivery times are not guaranteed. If you need a working estimate, rely on tracking rather than an assumed truck departure time. See Delayed Mail and Packages and USPS Tracking - The Basics.

What "Out for Delivery" really means

USPS says an Out for Delivery scan means the package has been prepared for delivery at your local Post Office and is expected to arrive that day. USPS also says not all packages travel with the same carrier who brings your regular mail, so a parcel can show up at a different time or later in the day.

How late can USPS deliver?

The official standard is by 5:00 p.m. local time Monday through Saturday, but USPS specifically lists traffic, staffing fluctuations, severe weather, natural disasters, and route changes as reasons a delivery can happen later. That comes directly from USPS's delayed-mail guidance.

Does USPS deliver on Saturday?

Yes. USPS's own FAQ says normal deliveries run Monday through Saturday, and What are Package Services? adds that Saturday and residential delivery are available at no extra cost for those eligible package services.

Does USPS deliver on Sunday?

Usually not for regular mail. USPS says Sunday delivery is limited to Priority Mail Express and Amazon parcels.

Which days are normally off-limits?

USPS publishes a yearly holiday schedule. On the current USPS Holidays & Events page, the 2026 postal holidays include New Year's Day on January 1, Memorial Day on May 25, Juneteenth on June 19, Labor Day on September 7, Thanksgiving Day on November 26, and Christmas Day on December 25.

Can you pick up a package instead of waiting?

Yes, but only through the right USPS workflow. Delivery Instructions lets an eligible recipient request Hold for Pickup at the local Post Office, but USPS says that option is not available once an item is already out for delivery or already delivered. Separately, mailers can buy Hold for Pickup for certain eligible classes, and USPS says there is no fee for that service itself.

What if tracking says available for pickup or held at the Post Office?

Those statuses usually mean you need to go to the local Post Office instead of waiting for another automatic attempt. In Where is my package?, USPS says pickup may require valid photo ID and that some held items cannot be scheduled for redelivery.

What to do if your package seems late

If tracking offers an Expected Delivery Window, USPS says in USPS Tracking - The Basics that the window is only a 2-hour estimate, not a guarantee. If a package is still missing after one full postal business day following an Out for Delivery scan, USPS tells you to use the tracking number and submit a service request to the local Post Office through its tracking help page.

Bottom line

There is no single official hour when USPS trucks "go out for delivery." The reliable current answer is that delivery times vary, most deliveries should be completed by 5:00 p.m. local time Monday through Saturday, and Sunday service is limited.