CA 8443 then UA 2430 at O'Hare
Anchorage → Chicago → Philadelphia
Timetable, Chicago time
16:59CA 8443 from Anchorage at the gate
14:35UA 2430 to Philadelphia leaves the gate
21 h 36 apart on the timetable, overnight
UA 2430 leaves 21 h 36 after CA 8443 arrives on the timetable: more than half a day, so not a connection we count.