UA 1074 then AV 2066 at San Francisco
Boston → San Francisco → Sacramento
Timetable, San Francisco time
13:34UA 1074 from Boston at the gatealso VA 8313, NZ 9021
08:30AV 2066 to Sacramento leaves the gate
18 h 56 apart on the timetable, overnight
AV 2066 leaves 18 h 56 after UA 1074 arrives on the timetable: more than half a day, so not a connection we count.