AA 2230 then UA 465 at Houston
Miami → Houston → Indianapolis
Timetable, Houston time
23:58AA 2230 from Miami at the gate
19:55UA 465 to Indianapolis leaves the gate
19 h 57 apart on the timetable, overnight
UA 465 leaves 19 h 57 after AA 2230 arrives on the timetable: more than half a day, so not a connection we count.