UA 5 then BA 470 at Heathrow
Houston → London → Palma de Mallorca
Timetable, London time
10:15UA 5 from Houston at the gate
08:00BA 470 to Palma de Mallorca leaves the gate
21 h 45 apart on the timetable, overnight
BA 470 leaves 21 h 45 after UA 5 arrives on the timetable: more than half a day, so not a connection we count.