IB 494 then U2 7646 at Madrid
Santander → Madrid → Lisbon
Timetable, Madrid time
18:45IB 494 from Santander at the gatealso VY 5357, BA 7274
21:25U2 7646 to Lisbon leaves the gate
2 h 40 apart on the timetable
The last days
IB 494 and U2 7646 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.