Delivery reliability is one of the five attributes in supply-chain management according to SCOR-model, developed by the management consulting firm PRTM, now part of PricewaterhouseCoopers LLP (PwC) and endorsed by the Supply-Chain Council (SCC) as the cross-industry de facto standard diagnostic tool for supply chain management, SCOR measures the supplier’s ability to predictably complete processes as promised.
It is measured by perfect order fulfillment and demonstrates the degree to which a supplier is able to serve its customers within the promised delivery time.
) Note: In the case that supplier notifies the appropriate partner in the supply chain that a promised delivery date/quantity cannot be met which is called delivery early warning (DEW), the sum of DEW issued to reduce the commit for a certain week is added in the denominator.
Else Demand: Suppliers confirmed quantity; c: Product identifier; p: Time period e.g. a day, a week, a month ...
In general a singular case is described by an n-Tuple consisting of a set of the following order and delivery details: 1)