AA 4440 then CV 251 at O'Hare
Madison → Chicago → Dallas-Fort Worth
Timetable, Chicago time
07:30AA 4440 from Madison at the gate
22:10CV 251 to Dallas-Fort Worth leaves the gate
14 h 40 apart on the timetable
CV 251 leaves 14 h 40 after AA 4440 arrives on the timetable: more than half a day, so not a connection we count.