VB 186 then CA 1018 at O'Hare
Mexico City → Chicago → Shanghai
Timetable, Chicago time
23:35VB 186 from Mexico City at the gate
22:35CA 1018 to Shanghai leaves the gate
23 h apart on the timetable, overnight
CA 1018 leaves 23 h after VB 186 arrives on the timetable: more than half a day, so not a connection we count.