If you click on Drillthrough in the above example, the delayed parcels are displayed under the Parcel Details tab, e.g.
This view allows you to see why each parcel was delayed, and the extent of the delay in each case.
You can use the Order Numbers and Consignment Codes on the left of the tab to identify the packages in MetapackDelivery Manager.
There is also a Logistics Service Tracking URL on the far right that allows you to link through to your tracking product.
You can also drill through to the packages from any individual cell of the main report table. Select the cell and then hover over it until the Drillthrough link appears, e.g.
This allows you, for example, to look at why parcels were delayed on a particular day: