ZH 865 then EC 9682 at Barcelona
Shenzhen → Barcelona → Lisbon
Timetable, Barcelona time
08:55ZH 865 from Shenzhen at the gatealso CA 3729
15:00EC 9682 to Lisbon leaves the gate
6 h 05 apart on the timetable
The last days
ZH 865 and EC 9682 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.