FR 6817 then LS 1767 at Manchester
Milan → Manchester → Tenerife South
Timetable, Manchester time
12:00FR 6817 from Milan at the gate
09:40LS 1767 to Tenerife South leaves the gate
21 h 40 apart on the timetable, overnight
LS 1767 leaves 21 h 40 after FR 6817 arrives on the timetable: more than half a day, so not a connection we count.