CV 12 then UA 4488 at O'Hare
Anchorage → Chicago → Greensboro
Timetable, Chicago time
19:11CV 12 from Anchorage at the gate
18:20UA 4488 to Greensboro leaves the gate
23 h 09 apart on the timetable, overnight
UA 4488 leaves 23 h 09 after CV 12 arrives on the timetable: more than half a day, so not a connection we count.