TK 1990 then TK 5056 at Istanbul
London Heathrow → Istanbul → Jeddah
Timetable, Istanbul time
22:20TK 1990 from London Heathrow at the gate
07:15TK 5056 to Jeddah leaves the gate
8 h 55 apart on the timetable, overnight
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 1990 and TK 5056 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.