UA 1264 then AS 8 at San Francisco
Las Vegas → San Francisco → Washington National
Timetable, San Francisco time
11:32UA 1264 from Las Vegas at the gatealso AC 3714, AZ 4443, NZ 9240, LH 9415
09:46AS 8 to Washington National leaves the gate
22 h 14 apart on the timetable, overnight
AS 8 leaves 22 h 14 after UA 1264 arrives on the timetable: more than half a day, so not a connection we count.