BA 1499 then OS 332 at Heathrow
Glasgow → London → Vienna
Timetable, London time
09:50BA 1499 from Glasgow at the gate
09:05OS 332 to Vienna leaves the gate
23 h 15 apart on the timetable, overnight
OS 332 leaves 23 h 15 after BA 1499 arrives on the timetable: more than half a day, so not a connection we count.