3U 8395 then UO 250 at Hong Kong
Chengdu Shuangliu → Hong Kong → Sanya
Timetable, Hong Kong time
17:203U 8395 from Chengdu Shuangliu at the gate
08:45UO 250 to Sanya leaves the gate
15 h 25 apart on the timetable, overnight
UO 250 leaves 15 h 25 after 3U 8395 arrives on the timetable: more than half a day, so not a connection we count.