AA 3764 then AA 3232 at Phoenix
Mc Allen → Phoenix → Houston
Timetable, Phoenix time
07:35AA 3764 from Mc Allen at the gate
20:07AA 3232 to Houston leaves the gate
12 h 32 apart on the timetable
AA 3232 leaves 12 h 32 after AA 3764 arrives on the timetable: more than half a day, so not a connection we count.