AA 2230 then AA 3745 at Houston
Miami → Houston → Dallas-Fort Worth
Timetable, Houston time
23:58AA 2230 from Miami at the gate
19:14AA 3745 to Dallas-Fort Worth leaves the gate
19 h 16 apart on the timetable, overnight
AA 3745 leaves 19 h 16 after AA 2230 arrives on the timetable: more than half a day, so not a connection we count.