IB 808 then I2 1763 at Madrid
Prague → Madrid → Seville
Timetable, Madrid time
15:30IB 808 from Prague at the gatealso LA 5447, VY 5448, AT 5492, AA 8642
18:30I2 1763 to Seville leaves the gatealso IB 1763
3 h apart on the timetable
The last days
IB 808 and I2 1763 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.