CA 8443 then UA 5693 at O'Hare
Anchorage → Chicago → Knoxville
Timetable, Chicago time
16:59CA 8443 from Anchorage at the gate
14:07UA 5693 to Knoxville leaves the gate
21 h 08 apart on the timetable, overnight
UA 5693 leaves 21 h 08 after CA 8443 arrives on the timetable: more than half a day, so not a connection we count.