BA 634 then GQ 690 at Athens
London Heathrow → Athens → Tirana
Timetable, Athens time
16:05BA 634 from London Heathrow at the gate
07:50GQ 690 to Tirana leaves the gate
15 h 45 apart on the timetable, overnight
GQ 690 leaves 15 h 45 after BA 634 arrives on the timetable: more than half a day, so not a connection we count.