VA 8587 then UA 1885 at San Francisco
Raleigh-Durham → San Francisco → Detroit
Timetable, San Francisco time
11:19VA 8587 from Raleigh-Durham at the gatealso NZ 9559
08:26UA 1885 to Detroit leaves the gate
21 h 07 apart on the timetable, overnight
UA 1885 leaves 21 h 07 after VA 8587 arrives on the timetable: more than half a day, so not a connection we count.