I2 1662 then IB 421 at Madrid
Palma de Mallorca → Madrid → Barcelona
Timetable, Madrid time
14:00I2 1662 from Palma de Mallorca at the gatealso IB 1662, VY 5188
18:00IB 421 to Barcelona leaves the gatealso IB 421S, LL 3021, VY 5122, AV 6170, QR 6971
4 h apart on the timetable
The last days
I2 1662 and IB 421 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.