OS 1 then CZ 436 at O'Hare
Vienna → Chicago → Shanghai
Timetable, Chicago time
13:01OS 1 from Vienna at the gate
19:25CZ 436 to Shanghai leaves the gate
6 h 24 apart on the timetable
The last days
OS 1 and CZ 436 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.