AA 4378 then CV 251 at O'Hare
Northwest Arkansas → Chicago → Dallas-Fort Worth
Timetable, Chicago time
08:45AA 4378 from Northwest Arkansas at the gate
22:10CV 251 to Dallas-Fort Worth leaves the gate
13 h 25 apart on the timetable
CV 251 leaves 13 h 25 after AA 4378 arrives on the timetable: more than half a day, so not a connection we count.