CZ 435 then CM 236 at O'Hare
Anchorage → Chicago → Tocumen
Timetable, Chicago time
15:58CZ 435 from Anchorage at the gate
07:35CM 236 to Tocumen leaves the gate
15 h 37 apart on the timetable, overnight
CM 236 leaves 15 h 37 after CZ 435 arrives on the timetable: more than half a day, so not a connection we count.