FR 5322 then FR 348 at Madrid
Milan → Madrid → London Stansted
Timetable, Madrid time
12:45FR 5322 from Milan at the gate
17:10FR 348 to London Stansted leaves the gate
4 h 25 apart on the timetable
The last days
FR 5322 and FR 348 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.