# 13. Why do I have waiting time in my route plan?

The optimization algorithm may introduce waiting time for these reasons:

1. The deliverer arrives at the customer location **before opening hours**.
2. The deliverer reaches the depot **before it becomes operational**.

Customer and depot opening times are strict constraints with high priority, so the algorithm must respect them.

**Tip:** To reduce unnecessary waiting time, use the **Automatic Start Time** constraint. This feature adjusts the departure time so the deliverer starts later and arrives at the customer or depot at the right time, minimizing idle periods at unknown locations.

 


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