AA 4272 then CV 251 at O'Hare
Allentown → Chicago → Dallas-Fort Worth
Timetable, Chicago time
07:15AA 4272 from Allentown at the gate
22:10CV 251 to Dallas-Fort Worth leaves the gate
14 h 55 apart on the timetable
CV 251 leaves 14 h 55 after AA 4272 arrives on the timetable: more than half a day, so not a connection we count.