LS 838 then U2 2151 at Manchester
Kos → Manchester → Valletta
Timetable, Manchester time
02:15LS 838 from Kos at the gate
06:45U2 2151 to Valletta leaves the gate
4 h 30 apart on the timetable
The last days
LS 838 and U2 2151 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.