IB 136 then IB 1615 at Madrid
Quito → Madrid → Gran Canaria
Timetable, Madrid time
10:45IB 136 from Quito at the gate
14:30IB 1615 to Gran Canaria leaves the gate
3 h 45 apart on the timetable
The last days
IB 136 and IB 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.