EC 1029 then QR 3594 at Barcelona
Basel → Barcelona → Firenze
Timetable, Barcelona time
08:15EC 1029 from Basel at the gate
13:50QR 3594 to Firenze leaves the gate
5 h 35 apart on the timetable
The last days
EC 1029 and QR 3594 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.