AI 193 then FR 1644 at Fiumicino
Mumbai → Rome → Vienna
Timetable, Rome time
05:30AI 193 from Mumbai at the gate
18:15FR 1644 to Vienna leaves the gate
12 h 45 apart on the timetable
FR 1644 leaves 12 h 45 after AI 193 arrives on the timetable: more than half a day, so not a connection we count.