AA 3046 then CZ 436 at O'Hare
Seattle (SEA) → Chicago → Shanghai
Timetable, Chicago time
23:45AA 3046 from Seattle (SEA) at the gate
18:50CZ 436 to Shanghai leaves the gate
19 h 05 apart on the timetable, overnight
CZ 436 leaves 19 h 05 after AA 3046 arrives on the timetable: more than half a day, so not a connection we count.