GateConnections

BA 355 then BA 1312 at Heathrow

Lyon → London → Aberdeen

Timetable, London time

13:50BA 355 from Lyon at the gate

13:35BA 1312 to Aberdeen leaves the gate

23 h 45 apart on the timetable, overnight

BA 1312 leaves 23 h 45 after BA 355 arrives on the timetable: more than half a day, so not a connection we count.