KL 668 then HV 5951 at Schiphol
Austin → Amsterdam → Lisbon
Timetable, Amsterdam time
10:25KL 668 from Austin at the gate
06:50HV 5951 to Lisbon leaves the gate
20 h 25 apart on the timetable, overnight
HV 5951 leaves 20 h 25 after KL 668 arrives on the timetable: more than half a day, so not a connection we count.