BA 2156 then BY 840 at Gatwick
St. George → London → Sharm El Sheikh
Timetable, London time
05:15BA 2156 from St. George at the gate
09:45BY 840 to Sharm El Sheikh leaves the gate
4 h 30 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 2156 and BY 840 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.