CA 8443 then SY 8703 at O'Hare
Anchorage → Chicago → Denver
Timetable, Chicago time
16:59CA 8443 from Anchorage at the gate
15:00SY 8703 to Denver leaves the gate
22 h 01 apart on the timetable, overnight
SY 8703 leaves 22 h 01 after CA 8443 arrives on the timetable: more than half a day, so not a connection we count.