IB 1086 then I2 1763 at Madrid
Valencia → Madrid → Seville
Timetable, Madrid time
07:50IB 1086 from Valencia at the gatealso CX 1911, QR 6899
18:30I2 1763 to Seville leaves the gatealso IB 1763
10 h 40 apart on the timetable
The last days
IB 1086 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.