AZ 4441 then UA 1079 at San Francisco
Washington → San Francisco → Seattle
Timetable, San Francisco time
21:29AZ 4441 from Washington at the gate
21:05UA 1079 to Seattle leaves the gate
23 h 36 apart on the timetable, overnight
UA 1079 leaves 23 h 36 after AZ 4441 arrives on the timetable: more than half a day, so not a connection we count.