AA 2155 then KJ 242 at O'Hare
Hartford → Chicago → Dallas-Fort Worth
Timetable, Chicago time
14:10AA 2155 from Hartford at the gate
11:40KJ 242 to Dallas-Fort Worth leaves the gate
21 h 30 apart on the timetable, overnight
KJ 242 leaves 21 h 30 after AA 2155 arrives on the timetable: more than half a day, so not a connection we count.