A3 606 then U2 8501 at Gatwick
Athens → London → Geneva
Timetable, London time
11:10A3 606 from Athens at the gate
11:20U2 8501 to Geneva leaves the gate
10 min apart on the timetable
Gatwick’s board times don’t add up yet: its arrivals read 22 min late while its departures read on time. These numbers may be off by about 20 min.
The last days
A3 606 and U2 8501 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.