CV 251 then UA 4606 at O'Hare
Anchorage → Chicago → Richmond
Timetable, Chicago time
19:00CV 251 from Anchorage at the gate
08:30UA 4606 to Richmond leaves the gate
13 h 30 apart on the timetable, overnight
UA 4606 leaves 13 h 30 after CV 251 arrives on the timetable: more than half a day, so not a connection we count.