YP 111 then AV 2354 at San Francisco
Seoul → San Francisco → Denver
Timetable, San Francisco time
13:20YP 111 from Seoul at the gate
05:00AV 2354 to Denver leaves the gate
15 h 40 apart on the timetable, overnight
AV 2354 leaves 15 h 40 after YP 111 arrives on the timetable: more than half a day, so not a connection we count.