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Scrum Cycle Time shows how much time, on average, an issue of a specific type spends in a delivery pipeline by sprint. . Measured in days as a duration of appropriate sprints. Main purpose: knowing how big this timing is, it gives a chance to continuously monitor it towards improvement (acceleration).
How metric helps
Scrum Cycle Time helps to understand how fast a business need is transformed to a client value. Knowing the a team speed creates value one can get more precise estimations and consequently improve planning.value delivered to a client. It can be, to some extent, an idea of the "Time to Market" measure. Knowing such thing, one has more flexibility in estimations and planning. Usually, the shorter this measure, the faster things go to market (i.e. to production).
Schematically, here is the idea how this metric is calculated:
Chart overview
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