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Sum of the waiting time and the service time of an activity instance. Also known as cycle time.

Event log is associated with a process in which the total elapsed time of activity instances is of relevance.

Minimizing lead time is desirable.

actinst
case
time
type

Formula for practitioners

$\mathit{ST}(i) + \mathit{WT}(i)$

$\mathit{ST}(i)$ returns the service time of activity instance $i$, representing the time between its start and completion.
$\mathit{WT}(i)$ returns the waiting time of activity instance $i$, representing the idle period before the instance starts execution.