UA 3752 then VA 8285 at San Francisco
Denver → San Francisco → Seattle
Timetable, San Francisco time
13:00UA 3752 from Denver at the gate
12:22VA 8285 to Seattle leaves the gate
23 h 22 apart on the timetable, overnight
VA 8285 leaves 23 h 22 after UA 3752 arrives on the timetable: more than half a day, so not a connection we count.