MF 2921 then KL 1008 at Heathrow
Xiamen → London → Amsterdam
Timetable, London time
10:30MF 2921 from Xiamen at the gate
14:05KL 1008 to Amsterdam leaves the gate
3 h 35 apart on the timetable
The last days
MF 2921 and KL 1008 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.