BA 828 then FR 457 at Dublin
London Heathrow → Dublin → Leeds
Timetable, Dublin time
09:55BA 828 from London Heathrow at the gate
05:55FR 457 to Leeds leaves the gate
20 h apart on the timetable, overnight
FR 457 leaves 20 h after BA 828 arrives on the timetable: more than half a day, so not a connection we count.