How to overnight a letter

To overnight a letter via FedEx - press the yellow button

Letters sent by 3pm PST are printed same day and can arrive tomorrow

Updated 12.01.2019

Here's how it works:

  1. First, upload your documents at Multiple documents will be printed as part of the same envelope or package. Next, click "Recipient" 
    First, upload your letter
  2. Enter the recipient address, including the company name if necessary. We only service domestic US addresses. Once you're done, hit "Sender" to continue. If you're planning to overnight multiple letters, documents or forms, you can upload all the addresses in this step.
    Enter your recipient address
  3. Enter the return address, again including the company name if necessary. Click the Confirm button to continue.
    Enter your return address
  4. To send your mail overnight, you'll need to select FedEx Standard Overnight, and make sure your mail is in before 3pm EST.
    Select FedEx Standard Overnight, and make sure it's in before 3pm EST. 
  5. Confirm your options once more, then choose how you'd like to pay: you can pay securely with your credit card or use Paypal.
    Pay and send!
  6. Enter your credit card to complete the order and have your mailing sent.
  7. That's it! You will receive an email receipt shortly. We will also send you a follow up email with the tracking number once it has shipped, as well as a delivery confirmation email once FedEx confirms that the package has been delivered.

How to overnight a letter via FedEx Standard Overnight (Video Tutorial)

Other methods on how to overnight a letter via next day mail

If you want to send overnight mail in the United States (even if you're sending a letter on a saturday), you generally have a few options for getting it delivered the next day. is a resource for getting that done, and this page is a resource that provides details on all your options across the different overnight/next day mail providers, so that you can make the most informed choice. The available options for next day letter delivery are: 

  1. FedEx First Overnight
  2. USPS Priority Mail Express
  3. UPS Express Critical
  4. DHL Same Day

How to overnight a letter via FedEx Overnight

FedEx has 3 overnight services that provide fast delivery to ZIP codes in the U.S. and around the globe to ensure your letter arrives the next business day.

  • FedEx First Overnight provides next-business-day delivery by 8, 8:30, 9 or 9:30 a.m. to most areas and by 10 a.m., 11 a.m. or 2 p.m. to additional extended areas, depending on the postal code of your destination.
  • FedEx Priority Overnight provides next-business-day delivery by 10:30 a.m. to most U.S. addresses; by noon, 4:30 p.m. or 5 p.m. in remote areas; by noon, 1:30 p.m. or 4:30 p.m. on Saturdays.
  • FedEx Standard Overnight (which is supported by provides next-business-day delivery by 3 p.m. to most U.S. addresses, by 4:30 p.m. to rural areas and by 8 p.m. to residences. 
  • To send overnight mail via FedEx, you can either go into a FedEx Office location (locations listed here: or you can use (see below).

You can learn more about FedEx various overnight services here.

How to overnight a letter via USPS Priority Mail Express

This is the USPS's fastest domestic service, with limited exceptions, available 365 days a year, with delivery to most U.S. addresses, including PO Boxes. USPS Priority Mail Express is currently supported by Features include (but are not limited to):

  • Price includes proof of delivery signature record (if requested at time of purchase), and tracking information with USPS Tracking®
  • Overnight scheduled delivery by 10:30 am, or on a Sunday or holiday available in many major markets for an additional fee
  • To send overnight mail via USPS, you can either go into a Post Office location (locations listed here: or you can use (see below).

Learn more about USPS Priority Mail Express here

How to overnight a letter via UPS Express Critical

This is the UPS's fastest shipping service for urgent and emergency shipping to all 50 states and Puerto Rico. You can even get same day delivery in some cases by using this service. Features include (but are not limited to):

  • Best available flight, 24 hours a day, 7 days a week, 365 days a year
  • A full range of services, including international, surface, hand-carry or chartered aircraft
  • Automated routing lets you choose from the fastest delivery options
  • Fast pickup and door-to-door reliability give you complete peace of mind
  • To send overnight mail via te UPS, you can go into a UPS location (locations listed here: 

Learn more about UPS Express Critical here

How to overnight a letter via DHL Same Day

DHL Same Day is DHL's fastest, mission critical (almost explicitly designed for emergencies). DHL describes it as:

"For mission-critical international shipments that need immediate pickup and door-to-door delivery within the shortest possible timeframe, choose DHL’s flexible Same Day services – ideal for customized delivery of emergency shipments."

DHL has 2 separate Same Day services: Jetline, and SprintLine. Jetline's provides next available flight out and delivery door-to-door to any global destination within the shortest possible time. Features include:

  • Fully flexible arrangements dedicated for emergency shipments
  • Experienced on board couriers and full air charters possible
  • B2B needs
  • Dedicated customer support desk and shipment handling
  • Global coverage available from specific countries

Sprintline provides next available van or truck delivery door-to-door to any regional destination within the shortest possible time. Features include:

  • Fully flexible arrangements dedicated for emergency/expedited shipments 
  • B2B needs
  • Dedicated customer support desk and shipment handling
  • Regional coverage available from specific countries/regions

To send overnight mail via DHL, you can go into a DHL location (locations listed here:

Learn more about DHL Same Day here

When will my FedEx Overnight letter be delivered?

If you choose to overnight a letter using, via our FedEx services, your delivery time depends when you place your order, and on waht day of the week you send. SendOvernightMail routes your orders to an open FedEx Kinko's that can fulfill the order. One caveat - during peak times like Christmas season, these SLAs might slip:

FedEx Next Day Letter Delivery Times
Ordered By 3PM EST Ordered After 3PM EST 
Order Day Delivered By  Delivered By 
Monday Tuesday Wednesday
Tuesday Wednesday Thursday
Wednesday Thursday Friday
Thursday Friday Saturday
Friday Saturday Monday
Saturday Monday Monday
Sundays Monday Tuesday

These delivery times only apply to domestic deliveries (we don't yet support international deliveries). In addition, delivery is available from Alaska and Hawaii to many U.S. markets by 8 or 8:30 a.m., depending on the destination ZIP code. Delivery is also available to many Alaska markets by 9 a.m. For additional details about Alaska and Hawaii shipments, please see FedEx Alaska and Hawaii services.

Can my overnight mail letter arrive early?

Actual delivery times are based on several factors, including the specific service you choose, order time, pickup time, local conditions, weather. The SLAs form an upper bound on when your letter should arrive, rather than a precise time of day. From time to time a package ships and delivers sooner than promised, but otherwise the SLAs are as stated above.

What's the maximum number of pages I can overnight?

There's no limit on the number of pages you can overnight with As orders get larger, we split them into multiple packages, and we'll notify you if for some reason we need direction on how to split your package. Generally speaking, FedEx is a better provider for larger orders.

How can I overnight bulk mail or mass mail?

You can easily overnight bulk mail (letters, documents, forms, pdfs, word docs, jpgs, pngs and more) to multiple recipients via all of SendOvernightMail's FedEx or USPS Services. You'll need to upload the document(s) you're sending and a spreadsheet of the addresses of all the recipients you're sending to. For more details on our bulk/mass mail option, select here.

When will my USPS Priority Mail Express be fulfilled?

USPS Priority Mail Express orders that are in before 8.45am EST are printed and shipped on the same day. After 8.45am, and on Sundays and USPS Postal Holidays, your mail will be out on the next business day: Printing and Shipping times for USPS Priority Mail Express
Ordered Before 8.45 AM EST  Ordered After 8.45 AM EST 
Order Day Printed & Shipped Printed & Shipped
Monday Same Day Next Business Day
Tuesday Same Day Next Business Day
Wednesday Same Day Next Business Day
Thursday Same Day Next Business Day
Friday Same Day Next Business Day
Saturday Same Day Next Business Day
Sunday & USPS Postal Holidays Next Business Day Next Business Day

When will my USPS Priority Mail Express be delivered?

For USPS Priority Mail Express documents, your delivery speed depends on the time of day you're sending it, where in the country you're sending it to, and so on:

USPS Priority Mail Express: USPS Delivery Service Level Agreement
Ordered Before 8.45 AM EST  Ordered After 8.45 AM EST 
Order Day Delivered By  Delivered By 
Monday Wednesday Thursday
Tuesday Thursday Friday
Wednesday Friday Saturday
Thursday Saturday Monday
Friday Monday Tuesday
Saturday Tuesday Wednesday
Sunday & USPS Postal Holidays Wednesday Thursday

Can you overnight a letter online?

Yes, you can overnight a letter online. Your options are,, - they all have different ranges of ease of use and price, but it's never been more convenient to overnight a letter online. in particular, has options for both USPS next day mail (via USPS Priority Mail Express) and FedEx next day mail (via FedEx Standard Overnight). Overnighting a letter has never been easier.

Your best option for one day letter delivery (or next day letter delivery) is the fastest and easiest way to overnight a letter via FedEx Standard Overnight or USPS Priority Mail Express. Simply put, we're the fastest overnight mailing option because

  • we're simple,
  • you don't have to sign up for an account or get a subscription,
  • we're integrated into FedEx and the USPS
  • we provide you real time updates as your document is getting printed, shipped and delivered. 

If you're looking for one day letter delivery, we're your best option. Email with questions, comments, concerns or suggestions!