AA 6486 then AA 3854 at O'Hare
Detroit → Chicago → Rochester (RST)
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
14:20AA 3854 to Rochester (RST) leaves the gate
20 h 51 apart on the timetable, overnight
AA 3854 leaves 20 h 51 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.