HU 491 then SN 2901 at Brussels
Beijing → Brussels → Vienna
Timetable, Brussels time
06:50HU 491 from Beijing at the gate
06:30SN 2901 to Vienna leaves the gate
23 h 40 apart on the timetable, overnight
SN 2901 leaves 23 h 40 after HU 491 arrives on the timetable: more than half a day, so not a connection we count.