FR 7327 then BA 835 at Dublin
Prague → Dublin → London Heathrow
Timetable, Dublin time
21:50FR 7327 from Prague at the gate
18:00BA 835 to London Heathrow leaves the gate
20 h 10 apart on the timetable, overnight
BA 835 leaves 20 h 10 after FR 7327 arrives on the timetable: more than half a day, so not a connection we count.