FR 7538 then EC 8064 at Barcelona
Milan → Barcelona → London Gatwick
Timetable, Barcelona time
08:05FR 7538 from Milan at the gate
12:55EC 8064 to London Gatwick leaves the gate
4 h 50 apart on the timetable
The last days
FR 7538 and EC 8064 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.