There are a number of reports which SAP provides to trace or check shipped or in-transit Orders from a variety of reports. I have tried to include the most used and most helpful reports available. Feel free to share anything that I missed or you want to include here:
ME2B: Purchasing Documents by Requirement Tracking Number
When an order is created with reference to a purchase requisition, it may contain a requirement tracking number. If you want to look up the orders as per the requirement tracking numbers for a transaction, this tcode will extract the list of such orders.
ME2C: Purchasing Documents for Material Group
This report is helpful while extracting the order details for the articles from an article group.
ME2J: Purchasing Documents per Project
This report will provide you with the orders with a combination of the Database profile, Controlling Area at the Project level.
ME2K: Purchasing Documents by Account Assignment Category
Should you require to extract the orders as per the account category, you can use this report to view them all.
ME2L: Purchasing Documents per Supplier
This tcode helps to fetch the purchasing documents for the given vendor(s).
ME2M: Purchasing Documents for Material
You can look up all the purchase orders having a particular/set of article(s).
ME2N: Purchasing Documents per Document Number/PO number
You can get the details of a purchase order’s status by using this t-code. This will help you see all the “delivered” or “still to be delivered/invoiced” line items.
ME2W – Purchasing Document per Supplying Plant
When you are looking for the orders related to a supplying plant, you can use this t-code to list them as desired.