IB 1086 then I2 1759 at Madrid
Valencia → Madrid → Seville
Timetable, Madrid time
08:05IB 1086 from Valencia at the gatealso CX 1911, QR 6899
17:20I2 1759 to Seville leaves the gatealso IB 1759
9 h 15 apart on the timetable
The last days
IB 1086 and I2 1759 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.