WN 191 then CX 879 at San Francisco
St Louis → San Francisco → Hong Kong
Timetable, San Francisco time
12:25WN 191 from St Louis at the gate
11:25CX 879 to Hong Kong leaves the gatealso OM 5879, AA 8932, MH 9199
23 h apart on the timetable, overnight
CX 879 leaves 23 h after WN 191 arrives on the timetable: more than half a day, so not a connection we count.