Estimated Delivery Timeframes

Getting Started

LetterStream’s processing time and the carrier’s delivery time are two separate parts of the mailing process.

LetterStream controls how quickly your mailing is printed, prepared, and handed to USPS or FedEx. Once the mailing has been accepted by the carrier, its transportation and delivery are controlled by that carrier.

The timeframes below are estimates, not guaranteed delivery dates unless a specific carrier service states otherwise.

In This Article

Processing Time vs. Delivery Time

LetterStream Processing Time

Most mailings are processed and handed to the carrier within two business days.

The estimated mail-out date shown in your shopping cart tells you when LetterStream expects to complete production and provide the mailing to the carrier.

Rush and Expedite options can shorten LetterStream’s processing time when available. They do not make USPS deliver the mailing faster.

Carrier Delivery Time

Delivery time begins after the carrier accepts the mailing.

LetterStream does not control:

  • Carrier transportation times
  • Facility processing or routing
  • Tracking scans
  • Delivery attempts
  • Recipient pickup
  • Weather or service disruptions
  • The final delivery date

Estimated Delivery Times by Mail Type


USPS First-Class Mail and Postcards

Typical delivery: Often 3–7 business days after mailing

Tracking: Not included

This is an estimate only. First-Class Mail may arrive sooner or may take longer depending on USPS operations.

Because First-Class Mail does not include tracking, LetterStream cannot determine its location or confirm delivery after it has been mailed.

International First-Class Mail can take significantly longer.


USPS Certified Mail

Typical delivery: Often 3–7 business days after mailing

Tracking: Included

Guaranteed delivery date: No

Certified Mail uses the USPS First-Class Mail network and can take longer than seven business days.

Delays of 10 business days or more are possible, particularly when USPS experiences:

  • Processing backlogs
  • Routing or transportation delays
  • Missing tracking scans
  • Unsuccessful delivery attempts
  • Recipient pickup delays
  • Weather or regional service disruptions

Certified Mail provides proof of mailing and USPS tracking, but it does not provide a guaranteed delivery date or guarantee that the recipient will accept or claim the letter.


USPS Registered Mail International

Typical delivery: Varies by destination

Tracking: Included where available

Guaranteed delivery date: No

Registered Mail is offered through LetterStream for international addresses only.

There is no standard delivery estimate. Delivery can take several weeks depending on the destination country, customs processing, local postal operations, and available tracking.


USPS Marketing Mail

Typical delivery: Often 5–20 business days after mailing

Tracking: Not included

Marketing Mail receives lower processing priority within the USPS network and may take longer during periods of heavy mail volume or operational delays.

Marketing Mail should not be used when delivery by a specific date is important.


FedEx 2Day

Typical delivery: Two business days after FedEx receives the shipment

Tracking: Included

FedEx 2Day provides more consistent tracking and a more consistent delivery timeframe than USPS letter mail.

The estimated delivery date is based on FedEx’s acceptance of the shipment and may be affected by holidays, weather, service interruptions, an incorrect address, or an unsuccessful delivery attempt.

LetterStream’s production time occurs before the FedEx delivery timeframe begins.

Certified Mail Delivery Expectations

Certified Mail is often selected for legal, financial, compliance, or other important documents. It is a good option if you need to provide evidence that you mailed something. However, its importance does not cause USPS to transport it faster than regular First-Class Mail, and successful delivery can be inconsistent.

Certified Mail may:

  • Remain at one facility for several days
  • Show the same tracking status repeatedly
  • Move without receiving an expected scan
  • Arrive after the typical delivery estimate
  • Require the recipient to collect it from a post office
  • Be refused or unclaimed by the recipient

A status such as “In Transit to Next Facility” or “Arriving Late” can mean USPS has reported a delay. LetterStream does not receive an estimated movement or delivery date beyond the information USPS supplies through tracking.

For more information, see Delayed, Lost, or Stuck Certified Mail.

Factors That Can Affect Delivery

Carrier delivery times may be affected by the following scenarios, but tracking information may not always clearly indicate when or why:

  • Weekends and federal holidays
  • Severe weather
  • Regional USPS service disruptions
  • High seasonal mail volume
  • Transportation or staffing issues
  • Incomplete or incorrect addresses
  • Apartment, suite, department, or mailroom requirements
  • Business closures
  • Recipient availability
  • Signature and pickup requirements
  • Mail forwarding
  • Customs processing for international mail

Business days generally do not include weekends or federal holidays.

Tracking Availability

Mail Types With Tracking

Tracking is available for:

  • Certified Mail
  • Registered Mail International
  • FedEx 2Day

LetterStream displays the tracking events supplied by the applicable carrier.

Tracking is not continuous location monitoring. Events may be delayed, missing, repeated, or displayed out of order by the carrier company.

LetterStream does not have access to internal USPS or FedEx information beyond the tracking records made available by the carrier.

Mail Types Without Tracking

Tracking is not included with:

  • First-Class Mail
  • Postcards
  • Marketing Mail

Deadline-Sensitive Mail

Certified Mail may be appropriate when proof of mailing or the Certified Mail service itself is required. It should not be relied upon for delivery by a guaranteed date.

When a more consistent delivery timeframe and more consistent tracking are the main priorities—and Certified Mail is not specifically required—you might consider FedEx 2Day, though again, we cannot guarantee successful delivery.

LetterStream also cannot determine whether a mailing method or available record satisfies a specific law, court rule, contract, or notice requirement and recommend consulting qualified legal counsel regarding your particular deadline or obligation.