VS 156 then BA 822 at Heathrow
Las Vegas → London → Billund
Timetable, London time
16:15VS 156 from Las Vegas at the gate
16:05BA 822 to Billund leaves the gate
23 h 50 apart on the timetable, overnight
BA 822 leaves 23 h 50 after VS 156 arrives on the timetable: more than half a day, so not a connection we count.