AA 2898 then AA 748 at Charlotte
Jacksonville → Charlotte → Madrid
Timetable, Charlotte time
16:11AA 2898 from Jacksonville at the gate
15:55AA 748 to Madrid leaves the gate
23 h 44 apart on the timetable, overnight
AA 748 leaves 23 h 44 after AA 2898 arrives on the timetable: more than half a day, so not a connection we count.