TK 1931 then QR 108 at Heathrow
Istanbul → London → Doha
Timetable, London time
14:40TK 1931 from Istanbul at the gate
16:00QR 108 to Doha leaves the gate
1 h 20 apart on the timetable
The last days
TK 1931 and QR 108 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.