KL 794 then KL 937 at Schiphol
São Paulo → Amsterdam → Glasgow
Timetable, Amsterdam time
05:25KL 794 from São Paulo at the gate
09:30KL 937 to Glasgow leaves the gate
4 h 05 apart on the timetable
The last days
KL 794 and KL 937 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.