CZ 660 then ZH 3652 at Guangzhou
San Francisco → Guangzhou → Bangkok
Timetable, Guangzhou time
10:25CZ 660 from San Francisco at the gate
14:50ZH 3652 to Bangkok leaves the gatealso PG 4838
4 h 25 apart on the timetable
The last days
CZ 660 and ZH 3652 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.