FX 5231 then 3U 1217 at Guangzhou
Seoul → Guangzhou → Shanghai Hongqiao
Timetable, Guangzhou time
01:32FX 5231 from Seoul at the gate
12:003U 1217 to Shanghai Hongqiao leaves the gatealso HO 7451
10 h 28 apart on the timetable
The last days
FX 5231 and 3U 1217 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.