LX 737 then U2 7644 at Zurich
Amsterdam → Zurich → Lisbon
Timetable, Zurich time
08:25LX 737 from Amsterdam at the gate
21:20U2 7644 to Lisbon leaves the gate
12 h 55 apart on the timetable
U2 7644 leaves 12 h 55 after LX 737 arrives on the timetable: more than half a day, so not a connection we count.