AA 6501 then CV 251 at O'Hare
Nashville → Chicago → Dallas-Fort Worth
Timetable, Chicago time
08:35AA 6501 from Nashville at the gate
22:10CV 251 to Dallas-Fort Worth leaves the gate
13 h 35 apart on the timetable
CV 251 leaves 13 h 35 after AA 6501 arrives on the timetable: more than half a day, so not a connection we count.