AA 864 then AA 1153 at Charlotte
Chicago O'Hare → Charlotte → San Antonio
Timetable, Charlotte time
19:52AA 864 from Chicago O'Hare at the gate
19:49AA 1153 to San Antonio leaves the gate
23 h 57 apart on the timetable, overnight
AA 1153 leaves 23 h 57 after AA 864 arrives on the timetable: more than half a day, so not a connection we count.