FR 6817 then FR 1249 at Manchester
Milan → Manchester → Tenerife South
Timetable, Manchester time
20:30FR 6817 from Milan at the gate
13:15FR 1249 to Tenerife South leaves the gate
16 h 45 apart on the timetable, overnight
FR 1249 leaves 16 h 45 after FR 6817 arrives on the timetable: more than half a day, so not a connection we count.