AA 3232 then M6 773 at Houston
Phoenix → Houston → Louisville
Timetable, Houston time
23:54AA 3232 from Phoenix at the gate
20:30M6 773 to Louisville leaves the gate
20 h 36 apart on the timetable, overnight
M6 773 leaves 20 h 36 after AA 3232 arrives on the timetable: more than half a day, so not a connection we count.