AA 153 then KJ 244 at O'Hare
Charlotte → Chicago → Dallas-Fort Worth
Timetable, Chicago time
11:42AA 153 from Charlotte at the gate
08:30KJ 244 to Dallas-Fort Worth leaves the gate
20 h 48 apart on the timetable, overnight
KJ 244 leaves 20 h 48 after AA 153 arrives on the timetable: more than half a day, so not a connection we count.