CZ 435 then AA 4191 at O'Hare
Anchorage → Chicago → Rochester (ROC)
Timetable, Chicago time
15:58CZ 435 from Anchorage at the gate
08:02AA 4191 to Rochester (ROC) leaves the gate
16 h 04 apart on the timetable, overnight
AA 4191 leaves 16 h 04 after CZ 435 arrives on the timetable: more than half a day, so not a connection we count.