UA 2298 then CZ 428 at O'Hare
Fort Lauderdale → Chicago → Shanghai
Timetable, Chicago time
11:28UA 2298 from Fort Lauderdale at the gate
00:20CZ 428 to Shanghai leaves the gate
12 h 52 apart on the timetable, overnight
CZ 428 leaves 12 h 52 after UA 2298 arrives on the timetable: more than half a day, so not a connection we count.