KL 734 then U2 7869 at Schiphol
Willemstad → Amsterdam → Geneva
Timetable, Amsterdam time
10:00KL 734 from Willemstad at the gate
14:10U2 7869 to Geneva leaves the gate
4 h 10 apart on the timetable
The last days
KL 734 and U2 7869 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.