KL 606 then HV 5951 at Schiphol
San Francisco → Amsterdam → Lisbon
Timetable, Amsterdam time
09:10KL 606 from San Francisco at the gate
06:50HV 5951 to Lisbon leaves the gate
21 h 40 apart on the timetable, overnight
HV 5951 leaves 21 h 40 after KL 606 arrives on the timetable: more than half a day, so not a connection we count.