KL 745 then IB 1346 at Schiphol
Cartagena → Amsterdam → Madrid
Timetable, Amsterdam time
10:45KL 745 from Cartagena at the gate
15:50IB 1346 to Madrid leaves the gate
5 h 05 apart on the timetable
The last days
KL 745 and IB 1346 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.