EC 5427 then BA 907 at Frankfurt
Milan Linate → Frankfurt am Main → London Heathrow
Timetable, Frankfurt am Main time
19:20EC 5427 from Milan Linate at the gate
19:15BA 907 to London Heathrow leaves the gate
23 h 55 apart on the timetable, overnight
BA 907 leaves 23 h 55 after EC 5427 arrives on the timetable: more than half a day, so not a connection we count.