UA 3922 then AA 6248 at O'Hare
Savannah → Chicago → Columbus (Ohio)
Timetable, Chicago time
02:36UA 3922 from Savannah at the gate
16:23AA 6248 to Columbus (Ohio) leaves the gate
13 h 47 apart on the timetable
AA 6248 leaves 13 h 47 after UA 3922 arrives on the timetable: more than half a day, so not a connection we count.