FR 4023 then FR 714 at Lisbon
Krakow → Lisbon → London Stansted
Timetable, Lisbon time
16:30FR 4023 from Krakow at the gate
10:30FR 714 to London Stansted leaves the gate
18 h apart on the timetable, overnight
FR 714 leaves 18 h after FR 4023 arrives on the timetable: more than half a day, so not a connection we count.