EC 7142 then EC 7153 at Barcelona
Strasbourg → Barcelona → Milan
Timetable, Barcelona time
12:30EC 7142 from Strasbourg at the gate
13:25EC 7153 to Milan leaves the gate
55 min apart on the timetable
The last days
EC 7142 and EC 7153 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.