AA 6501 then KJ 244 at O'Hare
Nashville → Chicago → Dallas-Fort Worth
Timetable, Chicago time
08:35AA 6501 from Nashville at the gate
08:30KJ 244 to Dallas-Fort Worth leaves the gate
23 h 55 apart on the timetable, overnight
KJ 244 leaves 23 h 55 after AA 6501 arrives on the timetable: more than half a day, so not a connection we count.