Originally Posted by
737Av8tor
That Wiki is very poorly written so I can see why it caused you to think it's 40 minutes. That amount of time is the minimum for AA if the flights are in the same terminal. In this case, "international" would refer to flights on AA, JA, and IB (not sure if there's another). A connection to T5 necessitates a longer connection... I think they reference 1:15.
In either of those cases, this is for connection off of a domestic or Canada inbound flight and not one requiring immigration at T5.