Originally Posted by
YVR Cockroach
Supposedly, the U.S. demands APIS information for overflights of U.S. territory (or even flights that go near but not over U.S. territory) so CBP certainly may know where you have been.
That is unfortunately correct. So unless you are flying Cubana and being sent to fly AROUND the US (someone please confirm they are still doing this itinerary), Big Brother knows all.