AA 1509 then 7L 8587 at Atlanta
Cleveland → Atlanta → Houston
Timetable, Atlanta time
09:08AA 1509 from Cleveland at the gate
07:007L 8587 to Houston leaves the gate
21 h 52 apart on the timetable, overnight
7L 8587 leaves 21 h 52 after AA 1509 arrives on the timetable: more than half a day, so not a connection we count.