CA 8443 then UA 5071 at O'Hare
Anchorage → Chicago → Paducah
Timetable, Chicago time
16:59CA 8443 from Anchorage at the gate
12:14UA 5071 to Paducah leaves the gate
19 h 15 apart on the timetable, overnight
UA 5071 leaves 19 h 15 after CA 8443 arrives on the timetable: more than half a day, so not a connection we count.