MK 42 then U2 863 at Gatwick
Mauritius → London → Glasgow
Timetable, London time
06:55MK 42 from Mauritius at the gate
06:25U2 863 to Glasgow leaves the gate
23 h 30 apart on the timetable, overnight
U2 863 leaves 23 h 30 after MK 42 arrives on the timetable: more than half a day, so not a connection we count.