AA 2062 then UA 4772 at O'Hare
Dallas-Fort Worth → Chicago → Columbia Regional
Timetable, Chicago time
14:12AA 2062 from Dallas-Fort Worth at the gate
12:45UA 4772 to Columbia Regional leaves the gate
22 h 33 apart on the timetable, overnight
UA 4772 leaves 22 h 33 after AA 2062 arrives on the timetable: more than half a day, so not a connection we count.