On-Time Delivery Rate Calculator
On-time delivery rate measures the portion of due orders meeting the defined promised delivery time. It is useful for reviewing delivery service against a clear promise.
How to use this calculator
- Enter orders delivered on time and all orders due in the same interval.
- Check that all inputs use the same units, period and population scope.
- Change one assumption at a time when comparing scenarios.
Formula used by on time delivery rate calculator
On-time delivery rate = orders delivered on time ÷ orders due × 100%.
- On-time delivery rate = orders delivered on time ÷ orders due × 100%.
- This is not necessarily OTIF (on time and in full), which adds completeness criteria.
- The tool validates inputs and rounds displayed figures for readability; it does not validate assumptions against external records.
Worked examples
Worked example
1,860 of 2,000 orders are delivered on time.
1,860 ÷ 2,000 × 100% = 93%.
The on-time delivery rate is 93%.
Understanding the result
On-time delivery rate measures the portion of due orders meeting the defined promised delivery time. It is useful for reviewing delivery service against a clear promise.
This is not necessarily OTIF (on time and in full), which adds completeness criteria.
Important notes
This is not necessarily OTIF (on time and in full), which adds completeness criteria.
Treat the result as an estimate from the entered assumptions. For safety, legal, engineering, health or commercial decisions, verify relevant specifications and professional guidance.
Frequently asked questions
Should cancelled orders be included?
Use a documented policy that treats cancellations and customer-requested holds consistently.
Is a high rate proof of customer satisfaction?
No. It is one delivery-performance measure and does not measure every aspect of service.
How should I interpret this result?
This is not necessarily OTIF (on time and in full), which adds completeness criteria.
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This page provides a calculation tool plus explanatory information so you can understand what the result means and when the underlying method may not fit your situation.