UA 2471 then AA 1044 at DFW
Washington → Dallas-Fort Worth → Louisville
Timetable, Dallas-Fort Worth time
11:19UA 2471 from Washington at the gate
09:39AA 1044 to Louisville leaves the gate
22 h 20 apart on the timetable, overnight
AA 1044 leaves 22 h 20 after UA 2471 arrives on the timetable: more than half a day, so not a connection we count.