IB 406 then IB 1071 at Madrid
Barcelona → Madrid → Seville
Timetable, Madrid time
11:10IB 406 from Barcelona at the gatealso LL 3006, VY 5038, LA 5436, AV 6001, QR 6850, BA 7079, AA 8680
11:25IB 1071 to Seville leaves the gatealso CX 1805, VY 5229, BA 7163
15 min apart on the timetable
The last days
IB 406 and IB 1071 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.