Draft reference — content review pending
Process Cycle Time
The average elapsed time from a defined process start event to its defined completion event.
Business question
How long does the defined process take from start to completion?
Formula
Average process cycle time = sum of elapsed time from the defined start event to completion for completed items ÷ number of completed items.
Calculation notes
Define the start and completion events, time unit, population, and treatment of paused or waiting time.
Edge-case guidance
Exclude incomplete items from the completed-item average and review the distribution because a mean can hide a long tail of delayed work.
Required data
| Input | Type | Status | Available source hints |
|---|---|---|---|
| Elapsed time for completed itemsElapsed time for each item from the agreed start event to completion. | Duration | Required | Project management system · Excel · Manual records |
| Completed item countCount of items completed under the same process definition. | Number | Required | Project management system · Excel · Manual records |
Interpretation
Use the measure to identify flow constraints, handoff delays, and opportunities to improve process speed without hiding quality or rework.
Caution
Reducing cycle time without protecting quality can increase errors, rework, or customer dissatisfaction.
Implementation recommendation
Measure the same start and completion events consistently and review cycle time with error, rework, and on-time results.
Target guidance
Set the first target from a comparable historical baseline for process cycle time, then adjust it for strategy, capacity, seasonality, data quality, and relevant market or regulatory context. Review the direction with the accountable business owner rather than treating any external benchmark as universal.