AV 2105 then UA 2168 at San Francisco
Reno → San Francisco → Houston
Timetable, San Francisco time
09:28AV 2105 from Reno at the gate
05:00UA 2168 to Houston leaves the gatealso EK 6421, VA 8084, NZ 9198
19 h 32 apart on the timetable, overnight
UA 2168 leaves 19 h 32 after AV 2105 arrives on the timetable: more than half a day, so not a connection we count.