Priority Mail: Friday, December 18, 2026

USPS recommends Priority Mail by Friday, December 18, 2026, for expected delivery before December 25 in the lower 48. That is one day later than Ground Advantage and First-Class Mail, and one day earlier than Priority Mail Express. The date is a recommendation. Actual delivery may vary, so ship earlier when you can.

Updated .

If December 18 is too tight, see Priority Mail Express on December 19 or the late-shipping page. The full table is on the USPS 2026 page.

At a glance

Mail class, lower 48Recommended send-by
Ground Advantage and First-ClassDecember 17, 2026
Priority MailDecember 18, 2026
Priority Mail ExpressDecember 19, 2026

USPS recommends Priority Mail by Friday, December 18, 2026, for expected delivery before December 25 in the lower 48. That is one day later than Ground Advantage and First-Class Mail, and one day earlier than Priority Mail Express.

Check a drop-off date

Mail classRecommended send-by date (contiguous U.S.)
USPS Ground AdvantageThursday, December 17, 2026
First-Class MailThursday, December 17, 2026
Priority MailFriday, December 18, 2026
Priority Mail ExpressSaturday, December 19, 2026

USPS footnotes these dates: actual delivery may vary based on origin, destination, Post Office acceptance time, and other conditions. Ship earlier when you can.

Sources

Common questions

What is the Priority Mail send-by date for Christmas 2026?

Friday, December 18, 2026, for expected delivery before December 25 in the lower 48.

Is that later than Ground Advantage?

Yes. Ground Advantage and First-Class Mail are recommended by December 17, one day earlier.

Does this date cover Alaska and Hawaii?

For Priority Mail, USPS lists the same 2026 send-by date as the lower 48. Ground Advantage is the service with a different territorial expectation.

Is Priority Mail guaranteed by December 25?

No. USPS footnotes that actual delivery may vary. Treat the date as a recommendation.