EC 7644 then SN 3816 at Lisbon
Zurich → Lisbon → Brussels
Timetable, Lisbon time
16:50EC 7644 from Zurich at the gatealso U2 7644
13:40SN 3816 to Brussels leaves the gate
20 h 50 apart on the timetable, overnight
SN 3816 leaves 20 h 50 after EC 7644 arrives on the timetable: more than half a day, so not a connection we count.