EC 3749 then IB 5236 at Barcelona
Milan → Barcelona → Tenerife North
Timetable, Barcelona time
09:40EC 3749 from Milan at the gate
14:45IB 5236 to Tenerife North leaves the gate
5 h 05 apart on the timetable
The last days
EC 3749 and IB 5236 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.