AA 462 then 5X 5603 at O'Hare
New York LaGuardia → Chicago → Louisville
Timetable, Chicago time
07:49AA 462 from New York LaGuardia at the gate
07:305X 5603 to Louisville leaves the gate
23 h 41 apart on the timetable, overnight
5X 5603 leaves 23 h 41 after AA 462 arrives on the timetable: more than half a day, so not a connection we count.