KM 116 then U2 8019 at Gatwick
MLK → London → Madrid
Timetable, London time
10:55KM 116 from MLK at the gate
07:50U2 8019 to Madrid leaves the gate
20 h 55 apart on the timetable, overnight
U2 8019 leaves 20 h 55 after KM 116 arrives on the timetable: more than half a day, so not a connection we count.