AA 1149 then CV 251 at O'Hare
Phoenix → Chicago → Dallas-Fort Worth
Timetable, Chicago time
05:00AA 1149 from Phoenix at the gate
22:10CV 251 to Dallas-Fort Worth leaves the gate
17 h 10 apart on the timetable
CV 251 leaves 17 h 10 after AA 1149 arrives on the timetable: more than half a day, so not a connection we count.