BA 4296 then I2 1759 at Madrid
Dallas-Fort Worth → Madrid → Seville
Timetable, Madrid time
06:10BA 4296 from Dallas-Fort Worth at the gatealso AY 5644, EI 5872, QR 7234, AA 8631
14:30I2 1759 to Seville leaves the gatealso IB 1759
8 h 20 apart on the timetable
The last days
BA 4296 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.