Use Little's Law to Tame Checkout Lines
Apply Little's Law to identify the lever that will reduce checkout queue length.
Queue spike Twenty-four customers are waiting. The visible line is growing faster than the team can explain. The lead needs to find the queue lever before pulling every associate away from selling work. Little's Law Queue length depends on arrivals and time in system To reduce the line, change the arrival pattern, the routing, the service time, or the intervention point. More bodies Call everyone to registers. The response changes the driver of the queue, not just the optics. Line length falls when the system reduces time, redirects arrivals, or adds capacity at the actual constraint. 01 Observe 02 Choose…
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