CX 7854 then UA 751 at San Francisco
Seattle → San Francisco → Las Vegas
Timetable, San Francisco time
20:47CX 7854 from Seattle at the gate
16:50UA 751 to Las Vegas leaves the gatealso AC 4104, AZ 4491, EK 6366, VA 8191, NZ 9226
20 h 03 apart on the timetable, overnight
UA 751 leaves 20 h 03 after CX 7854 arrives on the timetable: more than half a day, so not a connection we count.