BA 830 then FR 7138 at Dublin
London Heathrow → Dublin → Lisbon
Timetable, Dublin time
12:25BA 830 from London Heathrow at the gate
08:10FR 7138 to Lisbon leaves the gate
19 h 45 apart on the timetable, overnight
FR 7138 leaves 19 h 45 after BA 830 arrives on the timetable: more than half a day, so not a connection we count.