AZ 79 then W4 6159 at Fiumicino
Barcelona → Rome → Sarajevo
Timetable, Rome time
18:35AZ 79 from Barcelona at the gate
15:05W4 6159 to Sarajevo leaves the gate
20 h 30 apart on the timetable, overnight
W4 6159 leaves 20 h 30 after AZ 79 arrives on the timetable: more than half a day, so not a connection we count.