IB 987 then EI 3617 at Manchester
Madrid → Manchester → Belfast City
Timetable, Manchester time
13:55IB 987 from Madrid at the gate
13:45EI 3617 to Belfast City leaves the gate
23 h 50 apart on the timetable, overnight
EI 3617 leaves 23 h 50 after IB 987 arrives on the timetable: more than half a day, so not a connection we count.