T5 921 then BM 503 at Istanbul
Ashgabat → Istanbul → Tripoli
Timetable, Istanbul time
21:15T5 921 from Ashgabat at the gate
21:00BM 503 to Tripoli leaves the gate
23 h 45 apart on the timetable, overnight
BM 503 leaves 23 h 45 after T5 921 arrives on the timetable: more than half a day, so not a connection we count.