NZ 9178 then UA 301 at San Francisco
Washington → San Francisco → Denver
Timetable, San Francisco time
21:29NZ 9178 from Washington at the gate
21:24UA 301 to Denver leaves the gatealso AC 3598, VA 8346, NZ 9055
23 h 55 apart on the timetable, overnight
UA 301 leaves 23 h 55 after NZ 9178 arrives on the timetable: more than half a day, so not a connection we count.