LL 5501 then LA 5764 at Barcelona
Vigo → Barcelona → Firenze
Timetable, Barcelona time
01:40LL 5501 from Vigo at the gate
10:45LA 5764 to Firenze leaves the gate
9 h 05 apart on the timetable
The last days
LL 5501 and LA 5764 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.