Overdue Work Percentage
Overdue Work Percentage is the share of due maintenance work that remains incomplete after its required date or approved completion window.
What this term means in maintenance
Overdue Work Percentage is the share of due maintenance work that remains incomplete after its required date or approved completion window.
Formula
Overdue Work Percentage = Overdue work items ÷ Due work items × 100
Practical example
A period contains 100 due work orders and 12 remain overdue.
Overdue Work Percentage = 12%
Scope
The organization should define:
- Included work types
- Due-date tolerance
- Approved postponements
- Cancelled work
- Reporting period
Risk
Overdue critical PM and safety work should be visible separately from low-risk corrective work.
Common mistake
Changing the due date after it is missed can hide overdue performance.
How this term differs
Overdue Work Percentage is the share of due work that has passed its required completion date. It is related to Work Order Aging, Maintenance Backlog, and Ready Backlog, but these terms describe different records, measures, roles, strategies, or decisions and should not be used interchangeably.
Related concepts
Related maintenance terms
Keep exploring connected CMMS, reliability, and maintenance planning terms.
Work Order Aging
Work order aging is the elapsed time that a maintenance work order remains open or unresolved from a defined starting point.
Preventive Maintenance Compliance
Preventive maintenance compliance is the percentage of scheduled preventive maintenance tasks completed within the organization’s defined on-time window.
Maintenance Backlog
Maintenance backlog is approved maintenance work that has not yet been completed, commonly measured by job count, estimated labor hours, age, risk, or weeks of available labor capacity.
Glossary FAQs
- What is overdue work percentage?
Overdue work items divided by due work items, multiplied by 100.
- How are approved postponements treated?
The organization should define whether controlled deferrals remain overdue.
- Should critical overdue work be separate?
Yes. Risk-based visibility is essential.