Partial delivery

Warehousing & inventory
Definition

A partial delivery is when only part of an order is delivered, and the rest follows later in one or more shipments.

Updated 7 November 2026

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What is a partial delivery?

A partial delivery, also called a split shipment, is when a customer receives only part of an order, and the remaining items follow later. It usually happens when some items are out of stock or stored in a different warehouse.

Core principle: A partial delivery gets products to the customer faster, but every extra parcel costs money and can confuse the customer.

Why orders are delivered in parts

  • Some items are on backorder
  • Items are stored in different warehouses or countries
  • Large or bulky items ship separately or with a different carrier
  • Pre-order items are released later
  • In B2B, a large order is delivered in agreed instalments

Partial delivery vs complete delivery

Partial deliveryWait and ship complete
SpeedAvailable items arrive fasterCustomer waits for the slowest item
Shipping costHigher: two or more parcelsOne parcel
Customer experienceGood, if explained clearlyGood, if the wait is short
Effect on KPIsLowers order fill rateCan lengthen delivery time

Partial deliveries in B2B

Retailers and wholesale customers set rules for partial deliveries in their purchase orders. Some accept them, others refuse incomplete deliveries or charge for them, and many measure suppliers on fill rate and on-time-in-full. Check the terms before splitting a B2B order.

How to reduce partial deliveries

  • Use reorder points and safety stock to avoid stock-outs
  • Keep fast sellers together in the same warehouse
  • Sync stock in real time so shops don’t sell what isn’t there
  • Let customers choose: ship available items now or wait for the full order

Example: A customer orders a lamp and two bulbs. The bulbs are out of stock for a week. The shop ships the lamp the same day and the bulbs later, free of charge, and tells the customer in the shipping email.

Frequently asked questions

What is a partial delivery?

When only part of an order is delivered and the rest follows later.

Is a split shipment the same as a partial delivery?

Yes, both describe an order sent in more than one shipment.

Can a retailer refuse a partial delivery?

Yes, if its purchase order terms don’t allow partial deliveries.