VS 3 then HY 7284 at JFK
London Heathrow → New York → Istanbul
Timetable, New York time
12:25VS 3 from London Heathrow at the gate
13:50HY 7284 to Istanbul leaves the gate
1 h 25 apart on the timetable
The last days
VS 3 and HY 7284 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.