OS 654 then TK 6688 at Vienna
Kosice → Vienna → Istanbul
Timetable, Vienna time
06:20OS 654 from Kosice at the gate
09:25TK 6688 to Istanbul leaves the gate
3 h 05 apart on the timetable
The last days
OS 654 and TK 6688 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.