UA 482 then CV 251 at O'Hare
Philadelphia → Chicago → Dallas-Fort Worth
Timetable, Chicago time
07:50UA 482 from Philadelphia at the gate
22:10CV 251 to Dallas-Fort Worth leaves the gate
14 h 20 apart on the timetable
CV 251 leaves 14 h 20 after UA 482 arrives on the timetable: more than half a day, so not a connection we count.