OS 820 then EW 7753 at Vienna
Heraklion → Vienna → Hamburg
Timetable, Vienna time
10:50OS 820 from Heraklion at the gate
15:10EW 7753 to Hamburg leaves the gate
4 h 20 apart on the timetable
The last days
OS 820 and EW 7753 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.