AA 2230 then AA 5532 at Houston
Miami → Houston → Washington National
Timetable, Houston time
23:58AA 2230 from Miami at the gate
17:20AA 5532 to Washington National leaves the gate
17 h 22 apart on the timetable, overnight
AA 5532 leaves 17 h 22 after AA 2230 arrives on the timetable: more than half a day, so not a connection we count.