IB 306 then FR 7157 at Madrid
Monterrey → Madrid → Dublin
Timetable, Madrid time
13:50IB 306 from Monterrey at the gatealso BA 7180
07:50FR 7157 to Dublin leaves the gate
18 h apart on the timetable, overnight
FR 7157 leaves 18 h after IB 306 arrives on the timetable: more than half a day, so not a connection we count.