VB 186 then Y8 7456 at O'Hare
Mexico City → Chicago → Shanghai
Timetable, Chicago time
23:35VB 186 from Mexico City at the gate
19:10Y8 7456 to Shanghai leaves the gate
19 h 35 apart on the timetable, overnight
Y8 7456 leaves 19 h 35 after VB 186 arrives on the timetable: more than half a day, so not a connection we count.