AA 2230 then UA 744 at Houston
Miami → Houston → Cleveland
Timetable, Houston time
23:58AA 2230 from Miami at the gate
18:13UA 744 to Cleveland leaves the gate
18 h 15 apart on the timetable, overnight
UA 744 leaves 18 h 15 after AA 2230 arrives on the timetable: more than half a day, so not a connection we count.