CA 8443 then AA 3854 at O'Hare
Anchorage → Chicago → Rochester (RST)
Timetable, Chicago time
16:59CA 8443 from Anchorage at the gate
14:20AA 3854 to Rochester (RST) leaves the gate
21 h 21 apart on the timetable, overnight
AA 3854 leaves 21 h 21 after CA 8443 arrives on the timetable: more than half a day, so not a connection we count.