AA 2664 then CZ 438 at O'Hare
New York LaGuardia → Chicago → Shanghai
Timetable, Chicago time
17:53AA 2664 from New York LaGuardia at the gate
17:20CZ 438 to Shanghai leaves the gate
23 h 27 apart on the timetable, overnight
CZ 438 leaves 23 h 27 after AA 2664 arrives on the timetable: more than half a day, so not a connection we count.