Why a stop was scheduled outside its time window

The optimiser treats windows as soft by default. Here’s how to make one hard.

Laatst bijgewerkt · 19 jun 2026Routes & dispatch

By default the optimiser treats delivery windows as soft: it prefers them, but will schedule outside one if that saves significant total time. That’s why a stop can show a planned arrival after its window.

Soft vs hard windows

A soft window adds a lateness penalty the optimiser weighs against driving time. A hard window is a constraint — the plan is infeasible rather than late, and the stop is flagged for a dispatcher instead.

Making a window hard

Open the order and edit the delivery window.

Toggle “strict” on the window.

Re-optimise the route; if the stop can’t fit, it moves to the Unplannable list rather than being scheduled late.

OpmerkingService-level defaults (e.g. all B2B orders strict) live in Settings → Order defaults, so you don’t toggle per order.

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