AA 3949 then AA 1044 at DFW
Houston Hobby → Dallas-Fort Worth → Louisville
Timetable, Dallas-Fort Worth time
15:36AA 3949 from Houston Hobby at the gate
09:39AA 1044 to Louisville leaves the gate
18 h 03 apart on the timetable, overnight
AA 1044 leaves 18 h 03 after AA 3949 arrives on the timetable: more than half a day, so not a connection we count.