AA 3428 then UA 4772 at O'Hare
Pensacola → Chicago → Columbia Regional
Timetable, Chicago time
14:44AA 3428 from Pensacola at the gate
12:45UA 4772 to Columbia Regional leaves the gate
22 h 01 apart on the timetable, overnight
UA 4772 leaves 22 h 01 after AA 3428 arrives on the timetable: more than half a day, so not a connection we count.