USPS Delivery Times, Hours, and Days

The United States Postal Service is a courier service that provides mail delivery services to individuals and businesses all across the country.


With more than 30,000 post office locations, including post office branches within grocery stores and other retail establishments, USPS is a widely recognized name for getting letters and packages delivered.

However, each mail class or service has a delivery or shipping time which confuses many of us with questions like when does USPS deliver, what time does the mail come, etc. Below you’ll find information about USPS delivery times, hours, and days.

So let’s get started.

USPS Delivery Hours:

USPS Post Office Hours: The United States Postal Service is open Monday through Saturday during regular business hours. There are also regional post offices that are open on Sundays and most major holidays for certain areas of the country. 

The USPS is open Monday through Saturday from 8:00 am to 5:00 pm, with some post office locations staying open until 7:00 pm on certain nights, and all post offices are closed on federal holidays as well as Sundays.

Deliveries of mail, packages, and parcels by USPS are made before 5 pm. Deliveries of Priority Mail Express items are made before 10:30 am.

Meanwhile, Most domestic express mail items are delivered by 12 noon, and the Items sent via international mail are usually delivered by 3 pm.


PO Box Delivery time:

A PO Box address is a unique address assigned by the US Postal Service to individuals who do not have a permanent mailbox at their physical address.

This type of post office delivery requires obtaining a special key to open/access your PO Box unit. 

If we talk about the delivery hour of PO Box, then PO Box delivery begins at 8:30 am.

Can I Pick Up A Package From USPS Before Delivery?

USPS Shipping Times:

USPS provides various shipping options for customers who want to send out packages. Customers can choose from USPS flat rates, priority mail, express mail, media mail, and international shipments.

The table below lists the shipping times for domestic mail:

USPS Domestic Mail ClassShipping or Delivery Time
USPS Retail Ground2 to 8 business days (Estimated)
Media Mail2 to 8 business days (Estimated)
First-Class Mail2 to 3 business days (Estimated)
Priority Mail1 to 3 business days (Estimated)
Priority Mail ExpressOvernight/ 1 to 2 business days

It may take up to 8 estimated working days for your items to arrive if you choose to ship them via USPS Retail Ground. Your item should reach you within two days to 8 estimated working days if you are using USPS Media Mail. 

USPS estimates that First-Class Mail items will take between 2 and 3 business days to arrive.


USPS Priority Mail has a delivery schedule ranging from one business day to three business days. 

Moreover, In the case of Priority Mail Express, packages can be shipped overnight or within one business day up to two business days maximum

USPS International Mail ClassesShipping or Delivery Time
Priority Mail International6 to 10 business days
Priority Mail Express International3 to 5 business days
First-Class Mail InternationalVaries
First-Class Package International ServiceVaries
Global Express Guaranteed (GXG)1 to 3 business days
Airmail M-BagsVaries

Using USPS Priority Mail, which is their top-of-the-line service, you can expect to receive your package within 6 to 10 business days.

Your package will arrive at its destination even faster if you use Priority Mail Express International. Usually, your shipment will reach you within 3 to 5 business days.

There may also be variations in USPS First-Class Package International Service delivery times. You will receive your shipment in 1 business day to 3 business days using USPS International’s Global Express Guaranteed (GXG) service. For Airmail M-Bags, the USPS varies the delivery time as well.

Note: The delivery times of domestic and international orders are estimates; it may take less or more depending on many variables.

USPS Delivery Days:

The package is delivered to the customer seven days a week by USPS. Throughout the week, the USPS delivers all kinds of mail classes and all kinds of packages. 

USPS’s Priority Mail Express service only delivers items sent via Priority Mail Express on Sundays because Priority Mail Express operates 365 days a year. Additionally, USPS delivers Amazon items on Sundays. 

Except for Amazon packages and Priority mail express, mail delivery days on weekends are limited. There are 365 days in a year in which you can avail of this service. 

In addition to Sunday deliveries, Priority Mail Express offers Saturday deliveries as well. Almost all U.S. addresses and PO Boxes are eligible for this guaranteed delivery option. 

So if you’d like the package delivered on a weekend or Sunday, Priority Mail Express is your best option. Furthermore, if the package isn’t delivered within the time frame, the money will be refunded.

Amazon packages are delivered by USPS 365 days a year, including on holidays like the Priority Mail Express.

The average delivery time frame for first-class mail is 2 – 5 days. Priority mail, which is guaranteed to arrive on time, takes 1 – 3 more days. Orders that are sent with express mail, which with overnight delivery, arrive within two days.

The USPS delivers most packages Monday through Saturday, but there is a time limit on delivery.

How late does USPS deliver:

USPS typically works Monday through Saturday, from 9 am until 5 pm. There are many reasons for unexpected delays, including severe weather, a disaster, traffic, roadblocks, etc.

Nevertheless, deliveries are generally made on time. The only parcels delivered on Sundays are Priority Mail Express and Amazon parcels.

Postal workers work the same hours on Saturdays as they do during the week (9 am to 5 pm). The deliveries occur during that time, no matter where they are delivered.

Deliveries are generally made by 2 pm on Saturdays, but you can count on them to arrive as late as 6.30 pm.

Meanwhile, the Priority Mail Express packages can arrive earlier and be delivered as early as 10:30 am.

Do not worry that you have to pay more if you get your package on a Saturday. USPS does not charge extra on Saturdays; they treat them the same as any other weekday.



Can I ship internationally through USPS?

Yes! The USPS delivers most packages Monday through Saturday, but there is a time limit on delivery. You can also have your mail held at a local post office if you will be away from home for an extended period of time so that it does not sit in the mailbox too long.

When does USPS deliver?

The USPS delivers most packages Monday through Saturday; however, the mail must be in the mailbox by 5:00 pm, or if you have an APC (alternate point of contact), you can hand your mail to your APC, or they can take it.

Also, post office branches are open on Sundays and major holidays only in certain areas. Keep this in mind for any plans you might have during those days.

How many days does USPS deliver mail in a week?

USPS delivers seven days a week; options may be limited depending on the package’s destination. However, the Sunday delivery is only for priority mail express and Amazon packages.


Having read the USPS delivery times, hours, and days post, I hope all your questions regarding what time does USPS delivers or what time USPS delivery hours have been answered.

However, if you have any further questions, post them in the comments, and if you found the post helpful, share it on social media.

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About Olivia

Hey, This is Olivia the author of geekzowns. Over the past six years, I have worked for USPS and other leading companies like FedEx, DHL, etc. Now, I am an entrepreneur and I love to write and share info on the internet.

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