AA 2230 then UA 4320 at Houston
Miami → Houston → Jackson (Mississippi)
Timetable, Houston time
23:58AA 2230 from Miami at the gate
20:28UA 4320 to Jackson (Mississippi) leaves the gate
20 h 30 apart on the timetable, overnight
UA 4320 leaves 20 h 30 after AA 2230 arrives on the timetable: more than half a day, so not a connection we count.