BA 900 then LH 958 at Frankfurt
London Heathrow → Frankfurt am Main → Birmingham (UK)
Timetable, Frankfurt am Main time
09:50BA 900 from London Heathrow at the gate
22:15LH 958 to Birmingham (UK) leaves the gate
12 h 25 apart on the timetable
LH 958 leaves 12 h 25 after BA 900 arrives on the timetable: more than half a day, so not a connection we count.