CA 8443 then UA 1811 at O'Hare
Anchorage → Chicago → San Francisco
Timetable, Chicago time
16:59CA 8443 from Anchorage at the gate
13:30UA 1811 to San Francisco leaves the gate
20 h 31 apart on the timetable, overnight
UA 1811 leaves 20 h 31 after CA 8443 arrives on the timetable: more than half a day, so not a connection we count.