FR 815 then EI 143 at Dublin
Edinburgh → Dublin → Cancún
Timetable, Dublin time
14:15FR 815 from Edinburgh at the gate
13:35EI 143 to Cancún leaves the gate
23 h 20 apart on the timetable, overnight
EI 143 leaves 23 h 20 after FR 815 arrives on the timetable: more than half a day, so not a connection we count.