AA 2230 then M6 773 at Houston
Miami → Houston → Louisville
Timetable, Houston time
23:58AA 2230 from Miami at the gate
20:30M6 773 to Louisville leaves the gate
20 h 32 apart on the timetable, overnight
M6 773 leaves 20 h 32 after AA 2230 arrives on the timetable: more than half a day, so not a connection we count.