FR 7327 then EI 168 at Dublin
Prague → Dublin → London Heathrow
Timetable, Dublin time
21:50FR 7327 from Prague at the gate
14:15EI 168 to London Heathrow leaves the gate
16 h 25 apart on the timetable, overnight
EI 168 leaves 16 h 25 after FR 7327 arrives on the timetable: more than half a day, so not a connection we count.