AA 1202 then KJ 242 at O'Hare
Miami → Chicago → Dallas-Fort Worth
Timetable, Chicago time
15:43AA 1202 from Miami at the gate
11:40KJ 242 to Dallas-Fort Worth leaves the gate
19 h 57 apart on the timetable, overnight
KJ 242 leaves 19 h 57 after AA 1202 arrives on the timetable: more than half a day, so not a connection we count.