CV 12 then UA 4487 at O'Hare
Anchorage → Chicago → Dayton
Timetable, Chicago time
19:11CV 12 from Anchorage at the gate
14:40UA 4487 to Dayton leaves the gate
19 h 29 apart on the timetable, overnight
UA 4487 leaves 19 h 29 after CV 12 arrives on the timetable: more than half a day, so not a connection we count.