BA 460 then FR 3614 at Madrid
London Heathrow → Madrid → Prague
Timetable, Madrid time
12:20BA 460 from London Heathrow at the gate
06:10FR 3614 to Prague leaves the gate
17 h 50 apart on the timetable, overnight
FR 3614 leaves 17 h 50 after BA 460 arrives on the timetable: more than half a day, so not a connection we count.