WY 103 then SN 2096 at Heathrow
Muscat → London → Brussels
Timetable, London time
05:55WY 103 from Muscat at the gate
18:00SN 2096 to Brussels leaves the gate
12 h 05 apart on the timetable
SN 2096 leaves 12 h 05 after WY 103 arrives on the timetable: more than half a day, so not a connection we count.