CA 8443 then AM 687 at O'Hare
Anchorage → Chicago → Mexico City
Timetable, Chicago time
16:59CA 8443 from Anchorage at the gate
15:26AM 687 to Mexico City leaves the gate
22 h 27 apart on the timetable, overnight
AM 687 leaves 22 h 27 after CA 8443 arrives on the timetable: more than half a day, so not a connection we count.