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How SAP SD Calculates Customer Delivery Dates: ATP Logic Explained

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Infographic explaining SAP SD customer delivery date calculation using backward and forward scheduling with ATP logic during sales order creation.

When creating a sales order in SAP SD, the system doesn’t guess your delivery date—it calculates it with precision.

🔹 Backward Scheduling starts from the requested delivery date and works backward to see if materials can be delivered on time.
🔹 If not possible, Forward Scheduling takes over—calculating the earliest delivery based on when the material becomes available.

This approach helps businesses:

  • Improve delivery accuracy

  • Avoid overpromising

  • Align logistics with real-time inventory

Whether you're in supply chain, logistics, or SD consulting, understanding this process is essential for delivering on commitments.