UA 4697 then UA 4772 at O'Hare
Charleston (West Virginia) → Chicago → Columbia Regional
Timetable, Chicago time
14:53UA 4697 from Charleston (West Virginia) at the gate
12:45UA 4772 to Columbia Regional leaves the gate
21 h 52 apart on the timetable, overnight
UA 4772 leaves 21 h 52 after UA 4697 arrives on the timetable: more than half a day, so not a connection we count.