AA 808 then KJ 242 at O'Hare
Washington National → Chicago → Dallas-Fort Worth
Timetable, Chicago time
14:29AA 808 from Washington National at the gate
11:40KJ 242 to Dallas-Fort Worth leaves the gate
21 h 11 apart on the timetable, overnight
KJ 242 leaves 21 h 11 after AA 808 arrives on the timetable: more than half a day, so not a connection we count.