FR 6817 then LS 919 at Manchester
Milan → Manchester → Tenerife South
Timetable, Manchester time
12:00FR 6817 from Milan at the gate
11:00LS 919 to Tenerife South leaves the gate
23 h apart on the timetable, overnight
LS 919 leaves 23 h after FR 6817 arrives on the timetable: more than half a day, so not a connection we count.