AA 2520 then AA 1153 at Charlotte
Memphis → Charlotte → San Antonio
Timetable, Charlotte time
07:55AA 2520 from Memphis at the gate
20:44AA 1153 to San Antonio leaves the gate
12 h 49 apart on the timetable
AA 1153 leaves 12 h 49 after AA 2520 arrives on the timetable: more than half a day, so not a connection we count.