4Y 803 then LH 3520 at Frankfurt
Bari → Frankfurt am Main → QDU
Timetable, Frankfurt am Main time
20:104Y 803 from Bari at the gate
17:22LH 3520 to QDU leaves the gate
21 h 12 apart on the timetable, overnight
LH 3520 leaves 21 h 12 after 4Y 803 arrives on the timetable: more than half a day, so not a connection we count.