DL 706 then KL 624 at Atlanta
Denver → Atlanta → Amsterdam
Timetable, Atlanta time
18:01DL 706 from Denver at the gate
15:50KL 624 to Amsterdam leaves the gate
21 h 49 apart on the timetable, overnight
KL 624 leaves 21 h 49 after DL 706 arrives on the timetable: more than half a day, so not a connection we count.