OO 6081 then CA 8412 at O'Hare
Sioux City → Chicago → Shanghai
Timetable, Chicago time
13:36OO 6081 from Sioux City at the gate
02:55CA 8412 to Shanghai leaves the gate
13 h 19 apart on the timetable, overnight
CA 8412 leaves 13 h 19 after OO 6081 arrives on the timetable: more than half a day, so not a connection we count.