KL 48 then U2 3302 at Schiphol
Chicago → Amsterdam → Edinburgh
Timetable, Amsterdam time
06:48KL 48 from Chicago at the gate
10:40U2 3302 to Edinburgh leaves the gate
3 h 52 apart on the timetable
The last days
KL 48 and U2 3302 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.