Flight Carthage International Airport departs from Tunis Carthage International Airport at 15:25 and arrives at Barcelona Barcelona–El Prat Airport at 18:05.
The flighttime is about 1h 40m. The distance travelled ("as the bird flies"): 1031 Km. So the average speed is roughly 619 Km.
There is an 1 hour time difference between Tunis and Barcelona