AA 2761 then CZ 438 at O'Hare
Seattle (SEA) → Chicago → Shanghai
Timetable, Chicago time
12:26AA 2761 from Seattle (SEA) at the gate
01:45CZ 438 to Shanghai leaves the gate
13 h 19 apart on the timetable, overnight
CZ 438 leaves 13 h 19 after AA 2761 arrives on the timetable: more than half a day, so not a connection we count.