CV 21 then AA 3517 at O'Hare
Anchorage → Chicago → Rochester (ROC)
Timetable, Chicago time
01:25CV 21 from Anchorage at the gate
21:04AA 3517 to Rochester (ROC) leaves the gate
19 h 39 apart on the timetable
AA 3517 leaves 19 h 39 after CV 21 arrives on the timetable: more than half a day, so not a connection we count.