AA 387 then UA 6236 at Charlotte
Cleveland → Charlotte → Houston
Timetable, Charlotte time
11:39AA 387 from Cleveland at the gate
11:34UA 6236 to Houston leaves the gate
23 h 55 apart on the timetable, overnight
UA 6236 leaves 23 h 55 after AA 387 arrives on the timetable: more than half a day, so not a connection we count.