FR 7120 then EI 178 at Dublin
Tenerife South → Dublin → London Heathrow
Timetable, Dublin time
00:45FR 7120 from Tenerife South at the gate
18:30EI 178 to London Heathrow leaves the gate
17 h 45 apart on the timetable
EI 178 leaves 17 h 45 after FR 7120 arrives on the timetable: more than half a day, so not a connection we count.