FR 9471 then FB 472 at Madrid
Pisa → Madrid → Sofia
Timetable, Madrid time
20:00FR 9471 from Pisa at the gate
18:45FB 472 to Sofia leaves the gate
22 h 45 apart on the timetable, overnight
FB 472 leaves 22 h 45 after FR 9471 arrives on the timetable: more than half a day, so not a connection we count.