WY 103 then BA 318 at Heathrow
Muscat → London → Paris Charles de Gaulle
Timetable, London time
05:55WY 103 from Muscat at the gate
18:20BA 318 to Paris Charles de Gaulle leaves the gate
12 h 25 apart on the timetable
BA 318 leaves 12 h 25 after WY 103 arrives on the timetable: more than half a day, so not a connection we count.