TB 1752 then BA 393 at Brussels
Tenerife South → Brussels → London Heathrow
Timetable, Brussels time
23:30TB 1752 from Tenerife South at the gate
17:30BA 393 to London Heathrow leaves the gate
18 h apart on the timetable, overnight
BA 393 leaves 18 h after TB 1752 arrives on the timetable: more than half a day, so not a connection we count.