TK 411 then TK 1989 at Istanbul
Moscow Vnukovo → Istanbul → London Heathrow
Timetable, Istanbul time
03:00TK 411 from Moscow Vnukovo at the gate
13:10TK 1989 to London Heathrow leaves the gate
10 h 10 apart on the timetable
Istanbul’s board shows about 81% of departures at their timetable time, so delays of a few minutes don’t show here.
The last days
TK 411 and TK 1989 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.