FR 6815 then FR 1249 at Manchester
Madrid → Manchester → Tenerife South
Timetable, Manchester time
16:00FR 6815 from Madrid at the gate
12:10FR 1249 to Tenerife South leaves the gate
20 h 10 apart on the timetable, overnight
FR 1249 leaves 20 h 10 after FR 6815 arrives on the timetable: more than half a day, so not a connection we count.