BA 903 then BA 822 at Heathrow
Frankfurt am Main → London → Billund
Timetable, London time
17:15BA 903 from Frankfurt am Main at the gate
16:05BA 822 to Billund leaves the gate
22 h 50 apart on the timetable, overnight
BA 822 leaves 22 h 50 after BA 903 arrives on the timetable: more than half a day, so not a connection we count.