AA 642 then 5X 5605 at O'Hare
Dallas-Fort Worth → Chicago → Louisville
Timetable, Chicago time
13:10AA 642 from Dallas-Fort Worth at the gate
07:305X 5605 to Louisville leaves the gate
18 h 20 apart on the timetable, overnight
5X 5605 leaves 18 h 20 after AA 642 arrives on the timetable: more than half a day, so not a connection we count.