UA 870 then CX 7858 at San Francisco
Sydney → San Francisco → Seattle
Timetable, San Francisco time
06:25UA 870 from Sydney at the gatealso AV 2191, LX 3159, VA 8004, LH 8937, NZ 9870
18:48CX 7858 to Seattle leaves the gate
12 h 23 apart on the timetable
CX 7858 leaves 12 h 23 after UA 870 arrives on the timetable: more than half a day, so not a connection we count.