QR 3731 then U2 8064 at Barcelona
Lyon → Barcelona → London Gatwick
Timetable, Barcelona time
17:40QR 3731 from Lyon at the gatealso LL 5465, VY 8125
12:50U2 8064 to London Gatwick leaves the gate
19 h 10 apart on the timetable, overnight
U2 8064 leaves 19 h 10 after QR 3731 arrives on the timetable: more than half a day, so not a connection we count.