T5 911 then BA 679 at Istanbul
Ashgabat → Istanbul → London Heathrow
Timetable, Istanbul time
07:10T5 911 from Ashgabat at the gate
21:25BA 679 to London Heathrow leaves the gate
14 h 15 apart on the timetable
BA 679 leaves 14 h 15 after T5 911 arrives on the timetable: more than half a day, so not a connection we count.