The unplanned shipments can be seen at the bottom left of the planning screen.
These are the shipments that are not yet on a route and have not been cancelled for planning in the Transport orders screen.
The planning screen can be opened via the button in the task bar , or one of the options below:
Planners do not always want to see all unplanned shipments, but for example only the shipments from today and tomorrow.
In the Plangroups screen, tab Extra parameters, header Standard screen filters, it is possible to indicate the time range for the unplanned shipments to be shown.
There is a separate article about setting the time range:
What could be a reason that an order is not in the bin with unplanned shipments?