BY 2539 then U2 7852 at Manchester
Ibiza → Manchester → Amsterdam
Timetable, Manchester time
12:20BY 2539 from Ibiza at the gate
15:40U2 7852 to Amsterdam leaves the gate
3 h 20 apart on the timetable
The last days
BY 2539 and U2 7852 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.