UA 2131 then KL 272 at Atlanta
San Francisco → Atlanta → Amsterdam
Timetable, Atlanta time
16:27UA 2131 from San Francisco at the gate
15:53KL 272 to Amsterdam leaves the gate
23 h 26 apart on the timetable, overnight
KL 272 leaves 23 h 26 after UA 2131 arrives on the timetable: more than half a day, so not a connection we count.