AA 4643 then KJ 242 at O'Hare
Norfolk → Chicago → Dallas-Fort Worth
Timetable, Chicago time
13:52AA 4643 from Norfolk at the gate
11:40KJ 242 to Dallas-Fort Worth leaves the gate
21 h 48 apart on the timetable, overnight
KJ 242 leaves 21 h 48 after AA 4643 arrives on the timetable: more than half a day, so not a connection we count.