E-commerce & Dropshipping · n8n

Track Actual Supplier Lead Times to Sharpen Reorder Timing

Reorder with real data — measure each supplier's actual delivery time versus promised and use it to set smarter reorder points.

difficulty Advancedsetup 40 minresult Reorder timing reflects real supplier performance, reducing both stockouts and excess inventory.
  1. 1

    Capture PO and Receipt Timing

    Add Webhook nodes recording when each PO is placed and when goods arrive.

  2. 2

    Compute Actual Lead Time

    Add a Code node calculating real lead time and comparing it to the promised time.

  3. 3

    Update the Averages

    Add a Google Sheets node maintaining a rolling average lead time per supplier.

  4. 4

    Flag Slipping Suppliers

    Add a Slack node alerting when a supplier's actual lead time worsens.

  5. 5

    Activate and Test

    Activate the workflow and log a test PO cycle. Confirm lead time is computed and stored.

Frequently asked questions

How does this improve reordering?

Set reorder points on real lead times plus a buffer, so stock arrives before you run out.

What about seasonal slowdowns?

Track lead time over time so you can anticipate and buffer for known busy periods.

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