BA 630 then GQ 690 at Athens
London Heathrow → Athens → Tirana
Timetable, Athens time
13:25BA 630 from London Heathrow at the gate
07:50GQ 690 to Tirana leaves the gate
18 h 25 apart on the timetable, overnight
GQ 690 leaves 18 h 25 after BA 630 arrives on the timetable: more than half a day, so not a connection we count.