QF 3657 then VA 8393 at San Francisco
New York JFK → San Francisco → Baltimore
Timetable, San Francisco time
23:59QF 3657 from New York JFK at the gate
21:30VA 8393 to Baltimore leaves the gate
21 h 31 apart on the timetable, overnight
VA 8393 leaves 21 h 31 after QF 3657 arrives on the timetable: more than half a day, so not a connection we count.