FB 471 then LA 1571 at Madrid
Sofia → Madrid → Rome
Timetable, Madrid time
16:20FB 471 from Sofia at the gate
15:45LA 1571 to Rome leaves the gatealso VY 5104, OB 5204, QR 6877, AA 8638
23 h 25 apart on the timetable, overnight
LA 1571 leaves 23 h 25 after FB 471 arrives on the timetable: more than half a day, so not a connection we count.