AA 1275 then CV 251 at O'Hare
Newark → Chicago → Dallas-Fort Worth
Timetable, Chicago time
07:28AA 1275 from Newark at the gate
22:10CV 251 to Dallas-Fort Worth leaves the gate
14 h 42 apart on the timetable
CV 251 leaves 14 h 42 after AA 1275 arrives on the timetable: more than half a day, so not a connection we count.