FR 7920 then FR 6410 at Madrid
Shannon → Madrid → Sofia
Timetable, Madrid time
09:10FR 7920 from Shannon at the gate
06:00FR 6410 to Sofia leaves the gate
20 h 50 apart on the timetable, overnight
FR 6410 leaves 20 h 50 after FR 7920 arrives on the timetable: more than half a day, so not a connection we count.