LH 591 then 4Y 616 at Frankfurt
Nairobi → Frankfurt am Main → Lyon
Timetable, Frankfurt am Main time
07:05LH 591 from Nairobi at the gate
07:004Y 616 to Lyon leaves the gate
23 h 55 apart on the timetable, overnight
4Y 616 leaves 23 h 55 after LH 591 arrives on the timetable: more than half a day, so not a connection we count.