FR 9840 then TP 1356 at Lisbon
Cologne → Lisbon → London Heathrow
Timetable, Lisbon time
23:30FR 9840 from Cologne at the gate
14:40TP 1356 to London Heathrow leaves the gate
15 h 10 apart on the timetable, overnight
TP 1356 leaves 15 h 10 after FR 9840 arrives on the timetable: more than half a day, so not a connection we count.