FR 5556 then EI 184 at Dublin
Tenerife South → Dublin → London Heathrow
Timetable, Dublin time
00:55FR 5556 from Tenerife South at the gate
19:45EI 184 to London Heathrow leaves the gate
18 h 50 apart on the timetable
EI 184 leaves 18 h 50 after FR 5556 arrives on the timetable: more than half a day, so not a connection we count.