AA 3100 then AA 3975 at DFW
Louisville → Dallas-Fort Worth → Memphis
Timetable, Dallas-Fort Worth time
10:00AA 3100 from Louisville at the gate
09:38AA 3975 to Memphis leaves the gate
23 h 38 apart on the timetable, overnight
AA 3975 leaves 23 h 38 after AA 3100 arrives on the timetable: more than half a day, so not a connection we count.