| 1 | Define OBD correctly | Treat OBD as the actual loading date, not the booking date, cargo-ready date, or estimated departure date. | Booking confirmation, transport milestone record, bill of lading or air waybill. | Record both the planned OBD and the actual OBD, including the time zone used. | Misstated delivery promises and inaccurate inventory planning. |
| 2 | Separate planned and actual dates | Compare the original planned OBD with the confirmed loading milestone after departure. | Purchase order schedule, booking record, carrier milestone update, and final transport document. | Flag any variance greater than 1 calendar day for review on time-sensitive shipments. | Hidden delays between supplier dispatch and carrier loading. |
| 3 | Verify the shipment milestone | Confirm that the cargo was physically loaded and that the transport reference matches the shipment. | Container or package number, seal number where applicable, transport reference, and loading confirmation. | Match the shipment reference, quantity, route, and OBD across supplier and logistics records. | Unloaded, rolled, short-shipped, or incorrectly reported cargo. |
| 4 | Track the full date chain | Review cargo-ready date, pickup date, terminal cut-off, OBD, estimated arrival, and final delivery date together. | Shipment timeline or logistics dashboard with planned, actual, and revised milestones. | Update the timeline whenever a milestone changes and preserve the previous estimate for performance analysis. | Incomplete root-cause analysis and unreliable arrival forecasts. |
| 5 | Check the transport document | Confirm that the transport document reflects the correct shipper, consignee, cargo description, quantity, route, and loading information. | Bill of lading for ocean freight, air waybill for air freight, or the applicable transport document. | Complete document review before customs filing, payment release, or cargo insurance submission. | Customs delays, document amendments, cargo release problems, and payment disputes. |
| 6 | Connect OBD with inventory planning | Use actual OBD together with transit time, customs lead time, safety stock, and the required arrival date. | Demand forecast, available inventory, transit-time estimate, customs lead time, and reorder point. | Recalculate the expected arrival date whenever actual OBD differs from the plan. | Stockouts, emergency freight, production interruptions, and excess safety stock. |
| 7 | Measure OBD performance | Evaluate whether shipments were loaded on time and identify recurring delays by route, supplier, mode, or season. | On-time OBD rate, average OBD variance, delay frequency, and documented delay reason. | Review monthly: on-time OBD rate = shipments meeting the agreed OBD ÷ total shipped orders × 100%. | Repeated schedule failures, weak supplier coordination, and avoidable logistics costs. |