BA 906 then AY 1416 at Frankfurt
London Heathrow → Frankfurt am Main → Helsinki
Timetable, Frankfurt am Main time
19:40BA 906 from London Heathrow at the gate
19:25AY 1416 to Helsinki leaves the gate
23 h 45 apart on the timetable, overnight
AY 1416 leaves 23 h 45 after BA 906 arrives on the timetable: more than half a day, so not a connection we count.