UA 1684 then CA 1018 at O'Hare
New Orleans → Chicago → Shanghai
Timetable, Chicago time
20:23UA 1684 from New Orleans at the gate
21:45CA 1018 to Shanghai leaves the gate
1 h 22 apart on the timetable
The last days
UA 1684 and CA 1018 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.