# Delivery Performance

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Delivery Performance

Delivery Performance (DP) is a broadly used standard KPI measurement in supply chains to measure the fulfillment of a customers demand to the wish date. Following the nomenclature of the DR-DP-Matrix three main approaches to measure DR can be distinguished:

• $DP_{T}^{V}$
• $DP_{S}^{D}$
• $DP_{S}^{T}$
Type of measurement: volume (V)/singular(S)
Type of view: on time (T)/ delivery (D)

## Volume/On Time

### Formula

If ((Demandp,c + Backlogp − 1,c) > 0)

$DP_{T}^{V}$ = $\frac{Delivered_{p,c} + Predelivery_{p-1,c}}{Demand_{p,c} + Backlog_{p-1,c}}$

Else

NULL

Demand:= customers wish c:= product identifier p:= Time period e.g. a day, a week, a month ...

The cumulation over a period and a group of product identifiers c is done as follows: $DP_{p,c} = \frac{\sum_{p,c}(DP_{T}^{V})}{count_{p,c}(DP_{T}^{V}<>NULL)}$

whereas p is determined by demand period

## Singular/Delivery and Singular/On Time

### Singular case definition

To fit to the needs of the environment, the granularity of a singular case ($DP_{*}^{S}$) has to be defined. In general a singular case is described by a n-Tupel consisting of a set of the following order and delivery details:

• order number
• customer identifier
• product identifier
• wish date of customer
• confirmed date of supplier
• ship to information
• delivery date
• delivery note number

### Formula

• $DP_{S}^{D}$
After a singular case has been delivered to the customer its DP is measured as follows:
If (wish date = arrival date) then
DPsingular case=1
else
DPsingular case=0

arrival date = delivery date + transit time

By cumulating the results of singular cases over a certain period p and, if necessary, additional criteria c (e.g. customer, product, ...) the delivery performance is calculated as follows:

$DP_{p,c} = \frac{\sum_{p,c}(DP)}{count_{p,c}(singular cases)}$

whereas p is determined by the arrival date

• $DP_{S}^{T}$
After a period has elapsed all singular cases with wish date within period are considered and their DP is measured as follows:
If (wish date = arrival date) then
DRsingular case=1
else
DRsingular case=0

arrival date = delivery date + transit time

By cumulating the results of singular cases over a certain period p and, if necessary, additional criteria c (e.g. customer, product, ...) the delivery performance is calculated as follows:

$DP_{p,c} = \frac{\sum_{p,c}(DP)}{count_{p,c}(singular cases)}$

whereas p is determined by the first confirmed date

## Result

0%≤$DP_{T/D}^{S/V}$≤100%

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