LG 3759 then U2 8514 at Lisbon
Luxembourg → Lisbon → London Gatwick
Timetable, Lisbon time
07:55LG 3759 from Luxembourg at the gate
14:15U2 8514 to London Gatwick leaves the gate
6 h 20 apart on the timetable
The last days
LG 3759 and U2 8514 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.