AA 3460 then CV 251 at O'Hare
Cleveland → Chicago → Dallas-Fort Worth
Timetable, Chicago time
09:10AA 3460 from Cleveland at the gate
22:10CV 251 to Dallas-Fort Worth leaves the gate
13 h apart on the timetable
CV 251 leaves 13 h after AA 3460 arrives on the timetable: more than half a day, so not a connection we count.