FR 9026 then FR 4891 at Fiumicino
Memmingen → Rome → Catania
Timetable, Rome time
18:55FR 9026 from Memmingen at the gate
11:35FR 4891 to Catania leaves the gate
16 h 40 apart on the timetable, overnight
FR 4891 leaves 16 h 40 after FR 9026 arrives on the timetable: more than half a day, so not a connection we count.