HV 6338 then U2 8684 at Schiphol
Valencia → Amsterdam → London Gatwick
Timetable, Amsterdam time
13:20HV 6338 from Valencia at the gate
17:45U2 8684 to London Gatwick leaves the gate
4 h 25 apart on the timetable
The last days
HV 6338 and U2 8684 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.