UA 5192 then AA 6248 at O'Hare
Jacksonville → Chicago → Columbus (Ohio)
Timetable, Chicago time
17:30UA 5192 from Jacksonville at the gate
16:23AA 6248 to Columbus (Ohio) leaves the gate
22 h 53 apart on the timetable, overnight
AA 6248 leaves 22 h 53 after UA 5192 arrives on the timetable: more than half a day, so not a connection we count.