CA 8443 then UA 1634 at O'Hare
Anchorage → Chicago → Savannah
Timetable, Chicago time
16:59CA 8443 from Anchorage at the gate
12:25UA 1634 to Savannah leaves the gate
19 h 26 apart on the timetable, overnight
UA 1634 leaves 19 h 26 after CA 8443 arrives on the timetable: more than half a day, so not a connection we count.