B6 663 then CZ 438 at O'Hare
Fort Lauderdale → Chicago → Shanghai
Timetable, Chicago time
13:42B6 663 from Fort Lauderdale at the gate
01:45CZ 438 to Shanghai leaves the gate
12 h 03 apart on the timetable, overnight
CZ 438 leaves 12 h 03 after B6 663 arrives on the timetable: more than half a day, so not a connection we count.