CA 1017 then UA 1568 at O'Hare
Anchorage → Chicago → Rochester (ROC)
Timetable, Chicago time
19:05CA 1017 from Anchorage at the gate
18:59UA 1568 to Rochester (ROC) leaves the gate
23 h 54 apart on the timetable, overnight
UA 1568 leaves 23 h 54 after CA 1017 arrives on the timetable: more than half a day, so not a connection we count.