OS 254 then FR 7350 at Vienna
Hamburg → Vienna → Barcelona
Timetable, Vienna time
16:40OS 254 from Hamburg at the gate
07:05FR 7350 to Barcelona leaves the gate
14 h 25 apart on the timetable, overnight
FR 7350 leaves 14 h 25 after OS 254 arrives on the timetable: more than half a day, so not a connection we count.