BJ 246 then EN 1190 at Frankfurt
Tunis → Frankfurt am Main → Zurich
Timetable, Frankfurt am Main time
17:05BJ 246 from Tunis at the gate
12:50EN 1190 to Zurich leaves the gate
19 h 45 apart on the timetable, overnight
EN 1190 leaves 19 h 45 after BJ 246 arrives on the timetable: more than half a day, so not a connection we count.