OS 403 then QR 3664 at Barcelona
Vienna → Barcelona → Algiers
Timetable, Barcelona time
17:20OS 403 from Vienna at the gate
20:35QR 3664 to Algiers leaves the gate
3 h 15 apart on the timetable
The last days
OS 403 and QR 3664 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.