AA 1977 then AA 6002 at Charlotte
San Antonio → Charlotte → Huntsville
Timetable, Charlotte time
17:10AA 1977 from San Antonio at the gate
17:00AA 6002 to Huntsville leaves the gate
23 h 50 apart on the timetable, overnight
AA 6002 leaves 23 h 50 after AA 1977 arrives on the timetable: more than half a day, so not a connection we count.