CV 12 then UA 4448 at O'Hare
Anchorage → Chicago → Roanoke
Timetable, Chicago time
19:11CV 12 from Anchorage at the gate
14:10UA 4448 to Roanoke leaves the gate
18 h 59 apart on the timetable, overnight
UA 4448 leaves 18 h 59 after CV 12 arrives on the timetable: more than half a day, so not a connection we count.