AV 6091 then FR 8239 at Madrid
Vigo → Madrid → Porto
Timetable, Madrid time
10:30AV 6091 from Vigo at the gatealso QR 6598, BA 7202
17:05FR 8239 to Porto leaves the gate
6 h 35 apart on the timetable
The last days
AV 6091 and FR 8239 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.