AA 581 then KJ 244 at O'Hare
Miami → Chicago → Dallas-Fort Worth
Timetable, Chicago time
09:30AA 581 from Miami at the gate
08:30KJ 244 to Dallas-Fort Worth leaves the gate
23 h apart on the timetable, overnight
KJ 244 leaves 23 h after AA 581 arrives on the timetable: more than half a day, so not a connection we count.