OO 6081 then CA 8414 at O'Hare
Sioux City → Chicago → Shanghai
Timetable, Chicago time
13:36OO 6081 from Sioux City at the gate
05:40CA 8414 to Shanghai leaves the gate
16 h 04 apart on the timetable, overnight
CA 8414 leaves 16 h 04 after OO 6081 arrives on the timetable: more than half a day, so not a connection we count.