OS 288 then FR 13 at Vienna
Bremen → Vienna → Barcelona
Timetable, Vienna time
11:20OS 288 from Bremen at the gate
17:20FR 13 to Barcelona leaves the gate
6 h apart on the timetable
The last days
OS 288 and FR 13 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.