AV 2105 then UA 686 at San Francisco
Reno → San Francisco → Houston
Timetable, San Francisco time
09:28AV 2105 from Reno at the gate
07:15UA 686 to Houston leaves the gatealso EK 6415, VA 8076, NZ 9201
21 h 47 apart on the timetable, overnight
UA 686 leaves 21 h 47 after AV 2105 arrives on the timetable: more than half a day, so not a connection we count.