AA 5144 then CZ 2502 at O'Hare
Greenville-Spartanburg → Chicago → Shanghai
Timetable, Chicago time
08:34AA 5144 from Greenville-Spartanburg at the gate
01:45CZ 2502 to Shanghai leaves the gate
17 h 11 apart on the timetable, overnight
CZ 2502 leaves 17 h 11 after AA 5144 arrives on the timetable: more than half a day, so not a connection we count.