BR 646 then CZ 438 at O'Hare
Anchorage → Chicago → Shanghai
Timetable, Chicago time
09:50BR 646 from Anchorage at the gate
19:25CZ 438 to Shanghai leaves the gate
9 h 35 apart on the timetable
The last days
BR 646 and CZ 438 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.