BA 923 then TK 6903 at Heathrow
Hannover → London → Istanbul
Timetable, London time
12:20BA 923 from Hannover at the gate
15:30TK 6903 to Istanbul leaves the gate
3 h 10 apart on the timetable
Today
From the airport’s board at 08:23 London time
12:20BA 923 due at the gate, no estimate yet
15:30TK 6903 due to leave, no estimate yet
3 h 10 between the gates, on these times
The last days
BA 923 and TK 6903 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.