W4 7451 then I2 1615 at Madrid
Santiago de Compostela → Madrid → Gran Canaria
Timetable, Madrid time
13:00W4 7451 from Santiago de Compostela at the gate
14:30I2 1615 to Gran Canaria leaves the gatealso VY 5518, AA 8521
1 h 30 apart on the timetable
The last days
W4 7451 and I2 1615 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.