TK 1939 then DS 1530 at Brussels
Istanbul → Brussels → Geneva
Timetable, Brussels time
17:10TK 1939 from Istanbul at the gate
13:25DS 1530 to Geneva leaves the gate
20 h 15 apart on the timetable, overnight
DS 1530 leaves 20 h 15 after TK 1939 arrives on the timetable: more than half a day, so not a connection we count.