IB 804 then W6 4402 at Madrid
Milan → Madrid → Sofia
Timetable, Madrid time
07:45IB 804 from Milan at the gatealso AA 8500
20:35W6 4402 to Sofia leaves the gate
12 h 50 apart on the timetable
W6 4402 leaves 12 h 50 after IB 804 arrives on the timetable: more than half a day, so not a connection we count.