Amazon's Shift to One-Day Default Handling Time: What Sellers Need to Know
At the end of 2023 Amazon switched the default handling time for seller‑fulfilled SKUs from two days to one day, automatically applying it to listings that shipped ≥90 % of orders within a single business day. The change halves the late‑shipment buffer and any order shipped after day 1 now counts toward the Late Shipment Rate (LSR) which must stay below 4 %. Sellers must audit and adjust handling times per SKU to avoid penalties.
Overview
At the end of 2023 Amazon replaced the two‑day default handling time for seller‑fulfilled orders with a one‑day default. The shift aligns the platform’s expectations with the faster delivery standards Amazon is promoting across its marketplace. Sellers who continue to rely on the old two‑day cushion must adjust their settings or risk metric penalties.
Key Points
- One‑day default activated — Amazon automatically changed the platform‑wide handling time from two days to one day for all seller‑fulfilled SKUs that historically shipped within a single business day. For example, a seller who consistently dispatched a Bluetooth speaker on the same day it was ordered now sees the default handling time displayed as “1 day” in Seller Central.
- Two‑day option remains per SKU — The platform still allows a two‑day handling window, but it must be set manually for each individual product. A vendor selling custom‑engraved jewelry that requires 48 hours for personalization can keep a two‑day setting by editing the handling time on that specific listing.
- Data‑driven rollout — Amazon identified eligible SKUs by analyzing order‑fulfillment logs from the previous twelve months. Listings that met the one‑day benchmark for at least 90 % of orders were automatically switched, while those with slower performance stayed on the two‑day default until manually changed.
- Late‑shipment buffer shrinks — With the default now at one day, the margin before a shipment is flagged as late has been halved. A seller who previously shipped on the second day of a two‑day window will now see a late‑shipment penalty after the first business day passes.
- Metric impact is immediate — The Late Shipment Rate (LSR) is calculated on a rolling 30‑day period; any order that exceeds the new one‑day handling time adds to the LSR count instantly, potentially pushing the metric above Amazon’s 4 % threshold.
- Proactive catalog audit required — Sellers must review every SKU to confirm whether a one‑day promise is realistic, especially for items stored in remote fulfillment centers or those that need post‑order assembly.
How the Change Works
Analysis & Recommendations
Why This Matters
The new one‑day default reduces the margin for error, so orders shipped on day 2 are flagged as late, potentially pushing LSR above Amazon’s 4 % threshold and triggering account health alerts. Sellers with slower‑moving or custom items must manually set a two‑day window or risk metric penalties, impacting sales eligibility and Buy Box eligibility.
Key Takeaways
- Amazon automatically changed handling time to 1 day for SKUs with ≥90 % on‑time, one‑day fulfillment over the past 12 months.
- The late‑shipment buffer is halved; orders shipped on day 2 now count as late and affect the 30‑day rolling LSR.
- LSR must stay under 4 %; any order exceeding the new 1‑day default adds instantly to the LSR count.
- Two‑day handling remains available but must be set manually per SKU via the bulk‑edit tool.
Recommended Actions
- →In Seller Central, go to Inventory > Manage Inventory, filter by handling time, and verify each SKU’s realistic processing time.
- →Use the bulk‑edit tool (Inventory > Add Products via Upload) to set handling time to 1 day for fast‑moving items and 2 days for slower SKUs.
- →Monitor the Performance > Account Health dashboard daily for LSR spikes and adjust handling times or workflows immediately.
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