Article 19 CMR links delay to exceeding the agreed delivery period. The transport order, consignment note or another reliable agreement may record that period. The agreed date must relate to the particular consignment and should not be reconstructed only from a later internal plan.
If no delivery period was agreed, compare the actual carriage duration with the reasonable duration in the circumstances. The route, distance, ordinary operations, necessary handovers and known obstacles may be relevant. Article 19 CMR does not provide a general fixed number of days.
Keep the agreed date, takeover, interim messages and delivery in one chronology with supporting records. This helps distinguish a risk of delay from a delay that has already occurred.