WY 103 then BA 850 at Heathrow
Muscat → London → Warsaw
Timetable, London time
05:55WY 103 from Muscat at the gate
18:10BA 850 to Warsaw leaves the gate
12 h 15 apart on the timetable
BA 850 leaves 12 h 15 after WY 103 arrives on the timetable: more than half a day, so not a connection we count.