IB 1378 then V7 3721 at Madrid
Algiers → Madrid → Seville
Timetable, Madrid time
16:35IB 1378 from Algiers at the gatealso VY 5869
20:30V7 3721 to Seville leaves the gate
3 h 55 apart on the timetable
The last days
IB 1378 and V7 3721 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.