SY 8705 then UA 4772 at O'Hare
Columbus (Ohio) → Chicago → Columbia Regional
Timetable, Chicago time
15:44SY 8705 from Columbus (Ohio) at the gate
12:45UA 4772 to Columbia Regional leaves the gate
21 h 01 apart on the timetable, overnight
UA 4772 leaves 21 h 01 after SY 8705 arrives on the timetable: more than half a day, so not a connection we count.