PBI to ISP is sold out for the times I want on 1/21 so I made my own manual routing of PBI-BWI-ISP with a connection time of 40 minutes. I booked the two segments under a single itinerary, with the BWI-ISP segment as the "return." The system clearly recognizes that this is a single trip, as it says "Change planes in Baltimore" when listing my second flight. I booked the PBI-BWI in Biz Select and BWI-ISP as a Wanna Get Away. Will I get three credits for this routing? Should I re-book the two segments under different itineraries to make sure?