I2 1522 then FR 394 at Madrid
Fuerteventura → Madrid → Ibiza
Timetable, Madrid time
14:55I2 1522 from Fuerteventura at the gatealso IB 1522, CX 1875, VY 5287
18:10FR 394 to Ibiza leaves the gate
3 h 15 apart on the timetable
The last days
I2 1522 and FR 394 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.