How to show Transit Times in OM Sales Orders ?

Summary:

Hello Community.

Our current client is looking for some answers about how is reflected / calculated in tranasit times in days on sales orders (OM). We defined transit times with origin = Customer warehouse / Destination = customer ship-to for specific carrier (you can see the screenshot in the attachments)

Client want to see in the sales order the calculation of: Sales order date + in transit days = estimated delivery date

I hope you can help us with this scenario, your inputs are really valuable to me

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