UA 2744 then AV 2036 at San Francisco
Houston → San Francisco → Seattle
Timetable, San Francisco time
10:46UA 2744 from Houston at the gate
07:25AV 2036 to Seattle leaves the gate
20 h 39 apart on the timetable, overnight
AV 2036 leaves 20 h 39 after UA 2744 arrives on the timetable: more than half a day, so not a connection we count.