AA 387 then AA 1153 at Charlotte
Detroit → Charlotte → San Antonio
Timetable, Charlotte time
08:06AA 387 from Detroit at the gate
20:44AA 1153 to San Antonio leaves the gate
12 h 38 apart on the timetable
AA 1153 leaves 12 h 38 after AA 387 arrives on the timetable: more than half a day, so not a connection we count.