U2 4427 then EC 7693 at Lisbon
Lyon → Lisbon → Barcelona
Timetable, Lisbon time
18:15U2 4427 from Lyon at the gate
18:35EC 7693 to Barcelona leaves the gate
20 min apart on the timetable
The last days
U2 4427 and EC 7693 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.