AA 986 then CV 251 at O'Hare
Baltimore → Chicago → Dallas-Fort Worth
Timetable, Chicago time
08:50AA 986 from Baltimore at the gate
22:10CV 251 to Dallas-Fort Worth leaves the gate
13 h 20 apart on the timetable
CV 251 leaves 13 h 20 after AA 986 arrives on the timetable: more than half a day, so not a connection we count.