CV 12 then UA 4170 at O'Hare
Anchorage → Chicago → Greensboro
Timetable, Chicago time
19:11CV 12 from Anchorage at the gate
14:05UA 4170 to Greensboro leaves the gate
18 h 54 apart on the timetable, overnight
UA 4170 leaves 18 h 54 after CV 12 arrives on the timetable: more than half a day, so not a connection we count.