DM 5420 then CK 228 at O'Hare
Punta Cana → Chicago → Shanghai
Timetable, Chicago time
10:10DM 5420 from Punta Cana at the gate
04:00CK 228 to Shanghai leaves the gate
17 h 50 apart on the timetable, overnight
CK 228 leaves 17 h 50 after DM 5420 arrives on the timetable: more than half a day, so not a connection we count.