U2 6682 then U2 2462 at Lisbon
Birmingham (Alabama) → Lisbon → London Luton
Timetable, Lisbon time
19:15U2 6682 from Birmingham (Alabama) at the gate
18:50U2 2462 to London Luton leaves the gate
23 h 35 apart on the timetable, overnight
U2 2462 leaves 23 h 35 after U2 6682 arrives on the timetable: more than half a day, so not a connection we count.