AV 6091 then IB 1277 at Madrid
Vigo → Madrid → Geneva
Timetable, Madrid time
10:30AV 6091 from Vigo at the gatealso QR 6598, BA 7202
11:25IB 1277 to Geneva leaves the gatealso AA 8821
55 min apart on the timetable
The last days
AV 6091 and IB 1277 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.