IB 1402 then IB 303 at Madrid
Athens → Madrid → Mexico City
Timetable, Madrid time
02:45IB 1402 from Athens at the gate
23:55IB 303 to Mexico City leaves the gatealso CX 1784
21 h 10 apart on the timetable
IB 303 leaves 21 h 10 after IB 1402 arrives on the timetable: more than half a day, so not a connection we count.