AA 990 then KJ 244 at O'Hare
Phoenix → Chicago → Dallas-Fort Worth
Timetable, Chicago time
11:39AA 990 from Phoenix at the gate
08:30KJ 244 to Dallas-Fort Worth leaves the gate
20 h 51 apart on the timetable, overnight
KJ 244 leaves 20 h 51 after AA 990 arrives on the timetable: more than half a day, so not a connection we count.