AA 9782 then KJ 242 at O'Hare
Boston → Chicago → Dallas-Fort Worth
Timetable, Chicago time
13:14AA 9782 from Boston at the gate
11:40KJ 242 to Dallas-Fort Worth leaves the gate
22 h 26 apart on the timetable, overnight
KJ 242 leaves 22 h 26 after AA 9782 arrives on the timetable: more than half a day, so not a connection we count.