AA 3100 then AA 5568 at DFW
Louisville → Dallas-Fort Worth → Huntsville
Timetable, Dallas-Fort Worth time
10:00AA 3100 from Louisville at the gate
09:30AA 5568 to Huntsville leaves the gate
23 h 30 apart on the timetable, overnight
AA 5568 leaves 23 h 30 after AA 3100 arrives on the timetable: more than half a day, so not a connection we count.