Finding Data On Air Passenger Itineraries, With Layovers Included, Or On Share Of Passengers Connecting At An Airport Rather Than Originating Or Terminating At An Airport

Hello, I was wondering if anyone might have any good ideas about how to go about getting data like this. I have already tried the Bureau of Transportation Statistics DB1B and T-100 data, but they don’t have anything on the intermediate stops of the itineraries.

So is there some other way to get data on which passengers at an airport are simply connecting on an itinerary that includes a connection (self-connections obviously excluded), and which passengers are originating or terminating at the airport?

Any help and ideas would be greatly appreciated. Thanks!