I2 1634 then IB 1321 at Madrid
Gran Canaria → Madrid → Düsseldorf
Timetable, Madrid time
06:30I2 1634 from Gran Canaria at the gatealso IB 1634, VY 5415, AV 6013, BA 7110, PC 7834, AA 8836
12:40IB 1321 to Düsseldorf leaves the gatealso VY 5407, AA 8629
6 h 10 apart on the timetable
The last days
I2 1634 and IB 1321 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.