AA 1623 then AA 1044 at DFW
Washington National → Dallas-Fort Worth → Louisville
Timetable, Dallas-Fort Worth time
14:34AA 1623 from Washington National at the gate
09:39AA 1044 to Louisville leaves the gate
19 h 05 apart on the timetable, overnight
AA 1044 leaves 19 h 05 after AA 1623 arrives on the timetable: more than half a day, so not a connection we count.