USPS Priority Mail Express Delivery Time Calculator
The fastest USPS service with overnight to 2-day guaranteed delivery and a money-back guarantee if USPS misses the delivery commitment.
Estimated Delivery Time
1-2 days
Guaranteed delivery with money-back promise
Priority Mail Express Delivery Calculator
Enter your ZIP codes to calculate Priority Mail Express delivery time.
Upcoming USPS Non-Delivery Days:
- Sun, Dec 14 - Sunday - No regular mail delivery
Ready to Calculate
Enter your origin and destination ZIP codes above, then click "Calculate Delivery Time" to see estimated arrival dates for all USPS services.
Priority Mail Express Delivery Times
Priority Mail Express typically delivers in 1-2 business days to most domestic destinations. Overnight delivery is available to many locations when shipped by the cutoff time (usually 5 PM).
Overnight Delivery
Available to most metropolitan areas when shipped before 5 PM local time. Delivery by 10:30 AM or 12:00 PM the next business day.
2-Day Delivery
Guaranteed 2-day delivery to all other domestic destinations. Still faster than any other USPS service.
Money-Back Guarantee
USPS Guarantee Promise
Priority Mail Express is the only USPS domestic service with a money-back guarantee. If your package doesn't arrive by the guaranteed date and time, you're entitled to a full refund of postage.
How to claim a refund:
- Keep your mailing receipt with the guaranteed delivery date
- File a claim within 30 days of the mailing date
- Submit online at usps.com or at your local Post Office
- Refund will be processed to your original payment method
Priority Mail Express Pricing
Pricing starts around $28.75 for Flat Rate Envelope and varies based on weight, dimensions, and destination zone.
| Package Type | Retail Price (2024) |
|---|---|
| Flat Rate Envelope | $28.75 |
| Padded Flat Rate Envelope | $29.25 |
| Legal Flat Rate Envelope | $29.00 |
| Retail (up to 0.5 lb) | Starting ~$28.75 |
| Retail (1 lb) | Starting ~$32.00 |
| Retail (5 lbs) | Starting ~$50.00 |
Priority Mail Express Pros & Cons
- Fastest USPS service available
- Money-back guarantee on delivery time
- 365-day delivery including holidays
- Free package pickup from your location
- Up to $100 insurance included
- Signature confirmation available
- Most expensive USPS option
- Overnight not available to all ZIP codes
- Cutoff times vary by location
When to Use Priority Mail Express
- Time-sensitive documents and packages
- Legal documents with deadlines
- Urgent business shipments
- Last-minute gift shipping
- Items requiring guaranteed delivery
Priority Mail Express Pro Tips
- 1Ship before the daily cutoff time for overnight delivery
- 2Use Flat Rate boxes for heavy items to save money
- 3Schedule free pickup instead of going to the post office
- 4Keep your receipt for money-back guarantee claims
Frequently Asked Questions
How fast is Priority Mail Express?
Priority Mail Express delivers in 1-2 business days with a money-back guarantee. Overnight delivery is available to many locations when shipped before the daily cutoff time (typically 5 PM). It's the fastest domestic USPS service.
Does Priority Mail Express have a guarantee?
Yes, Priority Mail Express is the only USPS domestic service with a money-back guarantee. If USPS fails to deliver by the guaranteed date/time, you can request a full refund of postage by filing a claim online or at your local Post Office.
Does Priority Mail Express deliver on Sunday?
Yes, Priority Mail Express offers 365-day delivery including Sundays and holidays in many areas. This makes it ideal for urgent shipments that can't wait until the next business day.
How much does Priority Mail Express cost?
Priority Mail Express starts at $28.75 for Flat Rate Envelopes. Retail rates for other packages vary by weight and destination. Commercial pricing is lower. All Express mail includes up to $100 insurance.