KL 605 then AV 2354 at San Francisco
Amsterdam → San Francisco → Denver
Timetable, San Francisco time
11:45KL 605 from Amsterdam at the gatealso VS 7146, AF 8402, DL 9380
05:00AV 2354 to Denver leaves the gate
17 h 15 apart on the timetable, overnight
AV 2354 leaves 17 h 15 after KL 605 arrives on the timetable: more than half a day, so not a connection we count.