UA 8264 then AV 2036 at San Francisco
Houston → San Francisco → Seattle
Timetable, San Francisco time
15:49UA 8264 from Houston at the gate
07:25AV 2036 to Seattle leaves the gate
15 h 36 apart on the timetable, overnight
AV 2036 leaves 15 h 36 after UA 8264 arrives on the timetable: more than half a day, so not a connection we count.