DL 281 then CZ 5972 at Pudong
Seattle → Shanghai → Shantou
Timetable, Shanghai time
19:55DL 281 from Seattle at the gate
19:15CZ 5972 to Shantou leaves the gate
23 h 20 apart on the timetable, overnight
CZ 5972 leaves 23 h 20 after DL 281 arrives on the timetable: more than half a day, so not a connection we count.