KL 3379 then IB 325 at Madrid
Lanzarote → Madrid → New York JFK
Timetable, Madrid time
21:00KL 3379 from Lanzarote at the gatealso AF 4837, DL 6773, AM 6823, EY 7580, UX 9076
16:15IB 325 to New York JFK leaves the gatealso BA 4269, AY 5655, EI 5857, QR 6905, PC 7705, AA 8837
19 h 15 apart on the timetable, overnight
IB 325 leaves 19 h 15 after KL 3379 arrives on the timetable: more than half a day, so not a connection we count.