I2 1542 then FR 394 at Madrid
Tenerife South → Madrid → Ibiza
Timetable, Madrid time
13:00I2 1542 from Tenerife South at the gatealso IB 1542, AV 2569, VY 5887, BA 7240
13:20FR 394 to Ibiza leaves the gate
20 min apart on the timetable
The last days
I2 1542 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.