LA 1800 then IB 531 at Madrid
Culleredo → Madrid → Lisbon
Timetable, Madrid time
10:35LA 1800 from Culleredo at the gatealso VY 5052, AT 5364, AV 6097, PC 7854
11:25IB 531 to Lisbon leaves the gatealso CX 1829, VY 5071, AA 8686
50 min apart on the timetable
The last days
LA 1800 and IB 531 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.