AA 4955 then CV 251 at O'Hare
Lexington → Chicago → Dallas-Fort Worth
Timetable, Chicago time
05:59AA 4955 from Lexington at the gate
22:10CV 251 to Dallas-Fort Worth leaves the gate
16 h 11 apart on the timetable
CV 251 leaves 16 h 11 after AA 4955 arrives on the timetable: more than half a day, so not a connection we count.