IB 535 then QS 1177 at Lisbon
Madrid → Lisbon → Prague
Timetable, Lisbon time
18:05IB 535 from Madrid at the gate
15:00QS 1177 to Prague leaves the gate
20 h 55 apart on the timetable, overnight
QS 1177 leaves 20 h 55 after IB 535 arrives on the timetable: more than half a day, so not a connection we count.