AA 5532 then AA 1869 at Houston
Washington National → Houston → Miami
Timetable, Houston time
16:35AA 5532 from Washington National at the gate
13:20AA 1869 to Miami leaves the gate
20 h 45 apart on the timetable, overnight
AA 1869 leaves 20 h 45 after AA 5532 arrives on the timetable: more than half a day, so not a connection we count.