CA 8443 then UA 5620 at O'Hare
Anchorage → Chicago → Dayton
Timetable, Chicago time
16:59CA 8443 from Anchorage at the gate
11:16UA 5620 to Dayton leaves the gate
18 h 17 apart on the timetable, overnight
UA 5620 leaves 18 h 17 after CA 8443 arrives on the timetable: more than half a day, so not a connection we count.