What Is Late Shipment Rate?
Late Shipment Rate (LSR) measures seller-fulfilled orders that were confirmed as shipped after the expected ship date.
This metric is primarily relevant to merchant-fulfilled (FBM/MFN) orders because sellers are responsible for shipping these orders themselves.
What Causes a Late Shipment?
A shipment may be considered late when you confirm shipment after the ship-by date Amazon provides for the order.
For example, if an order must be shipped by Wednesday but you do not confirm shipment until Thursday, the order may negatively affect your Late Shipment Rate.
Why Is Late Shipment Rate Important?
Shipping orders late can lead to poor customer experiences and can negatively affect your seller performance.
Amazon advises sellers to ship within their stated handling time and meet their delivery commitments as part of maintaining good account health.
How to Check Your Late Shipment Rate
Go to:
Seller Central → Performance → Account Health → Shipping Performance
You can review your current Late Shipment Rate and, when available, download the associated report to identify affected orders.
How to Avoid Late Shipments
Process merchant-fulfilled orders regularly, use realistic handling times, keep inventory accurate, and confirm shipments promptly.
If you know you cannot fulfill an order within your stated handling time, investigate the issue immediately rather than allowing the order to sit unprocessed.