Facility for sorting items comprising: at least one conveyor comprising supports designed to support the items, and at least one receiving device, the supports being designed to eject at least some of the items in succession into or onto the receiving device, the ejected items describing true paths (Tr) with respect to the receiving device, the true paths being liable to belong to a predefined set (Tr-Out) of potential paths considered as being incorrect. The facility further comprises: a detector designed to supply primary information relating respectively to true paths, and an analyzer designed to use the said primary information and to produce at least one secondary information item representative of the belonging of at least one of the true paths to the predefined set (Tr-Out).