AV 6091 then IB 609 at Madrid
Vigo → Madrid → Seville
Timetable, Madrid time
10:30AV 6091 from Vigo at the gatealso QR 6598, BA 7202
15:45IB 609 to Seville leaves the gatealso CX 1804, VY 5399, AA 8518
5 h 15 apart on the timetable
The last days
AV 6091 and IB 609 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.