UA 367 then CM 1884 at San Francisco
Washington → San Francisco → Las Vegas
Timetable, San Francisco time
01:29UA 367 from Washington at the gatealso LH 7530, VA 8388, NZ 9181
22:59CM 1884 to Las Vegas leaves the gatealso UA 2400, AC 4123, LH 9212, NZ 9225
21 h 30 apart on the timetable
CM 1884 leaves 21 h 30 after UA 367 arrives on the timetable: more than half a day, so not a connection we count.