AA 3515 then CV 251 at O'Hare
Appleton → Chicago → Dallas-Fort Worth
Timetable, Chicago time
07:12AA 3515 from Appleton at the gate
22:10CV 251 to Dallas-Fort Worth leaves the gate
14 h 58 apart on the timetable
CV 251 leaves 14 h 58 after AA 3515 arrives on the timetable: more than half a day, so not a connection we count.