IB 520 then IB 1145 at Madrid
Santiago de Compostela → Madrid → Lisbon
Timetable, Madrid time
15:00IB 520 from Santiago de Compostela at the gatealso LA 1762, VY 5283, AT 5910, AV 6103, BA 7200, QR 8037, AA 8664
19:40IB 1145 to Lisbon leaves the gatealso LA 1670, VY 5748
4 h 40 apart on the timetable
The last days
IB 520 and IB 1145 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.