CM 235 then CZ 436 at O'Hare
Tocumen → Chicago → Shanghai
Timetable, Chicago time
02:11CM 235 from Tocumen at the gate
00:45CZ 436 to Shanghai leaves the gate
22 h 34 apart on the timetable, overnight
CZ 436 leaves 22 h 34 after CM 235 arrives on the timetable: more than half a day, so not a connection we count.