CI 5234 then UA 2866 at O'Hare
Anchorage → Chicago → San Francisco
Timetable, Chicago time
19:25CI 5234 from Anchorage at the gate
16:35UA 2866 to San Francisco leaves the gate
21 h 10 apart on the timetable, overnight
UA 2866 leaves 21 h 10 after CI 5234 arrives on the timetable: more than half a day, so not a connection we count.