BA 2571 then U2 8313 at Gatwick
Bordeaux → London → Milan
Timetable, London time
10:50BA 2571 from Bordeaux at the gate
19:55U2 8313 to Milan leaves the gate
9 h 05 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
BA 2571 and U2 8313 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.