W4 3173 then V7 3721 at Madrid
Bucharest → Madrid → Seville
Timetable, Madrid time
17:50W4 3173 from Bucharest at the gate
19:10V7 3721 to Seville leaves the gate
1 h 20 apart on the timetable
The last days
W4 3173 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.