PU 502 then MU 4964 at Madrid
Buenos Aires → Madrid → London Gatwick
Timetable, Madrid time
15:45PU 502 from Buenos Aires at the gate
15:00MU 4964 to London Gatwick leaves the gatealso AM 6940
23 h 15 apart on the timetable, overnight
MU 4964 leaves 23 h 15 after PU 502 arrives on the timetable: more than half a day, so not a connection we count.