The issue has to do with the "promise extensions" Amazon is adding.

See this thread: SSA – Still extends delivery promise with perfect OTDR?

Seller_NZ7S9VhY5WdUg

What should I do to resolve this issue?

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Unfortunately, there is nothing you can do. It's working exactly how Amazon designed it to work, as stated by the CM's responses in that thread.

Hi everyone,

case ID 16476100971

I wanted to share an issue we're facing with Amazon's SSA (Shipping Setting Automation) tool and see if anyone else has experienced similar problems. Recently, after enabling SSA, our On-Time Delivery Rate (OTDR) dropped to 79.31%. When I downloaded the report, it showed that all metrics like confirmation date, carrier scan, and promised ship date were met. However, our OTDR seems to be suffering because the actual delivery date occasionally falls just a few hours later on the same day as the promised delivery date.

In our case, these slight delays have been enough to cause a significant drop in our OTDR score, which is frustrating given that the shipments still arrive within a reasonable timeframe. To mitigate this, we're considering removing SSA. I've used Amazon's SSA tool before and, unfortunately, it hasn't been the most reliable, often underperforming in ways that impact our metrics.

My question is: Why are we, as sellers, forced to use a tool that can impact our metrics due to such minor delays, which are often beyond our control? Has anyone else dealt with similar issues when using SSA, and are there any tips to avoid these penalties? I'd appreciate any insights or advice from those who've managed to navigate this effectively.

Thanks in advance for your help!

Is amazon adding promise extensions for the holidays? All the big carriers do not guarantee delivery times during the holidays and we see our OTDR getting dinged because of this.