FI 9 then CZ 2502 at O'Hare
Reykjavík → Chicago → Shanghai
Timetable, Chicago time
16:46FI 9 from Reykjavík at the gate
13:55CZ 2502 to Shanghai leaves the gate
21 h 09 apart on the timetable, overnight
CZ 2502 leaves 21 h 09 after FI 9 arrives on the timetable: more than half a day, so not a connection we count.