CV 21 then UA 2106 at O'Hare
Anchorage → Chicago → San Francisco
Timetable, Chicago time
22:27CV 21 from Anchorage at the gate
21:57UA 2106 to San Francisco leaves the gate
23 h 30 apart on the timetable, overnight
UA 2106 leaves 23 h 30 after CV 21 arrives on the timetable: more than half a day, so not a connection we count.