UA 367 then WN 3547 at San Francisco
Washington → San Francisco → Baltimore
Timetable, San Francisco time
01:29UA 367 from Washington at the gatealso LH 7530, VA 8388, NZ 9181
21:25WN 3547 to Baltimore leaves the gate
19 h 56 apart on the timetable
WN 3547 leaves 19 h 56 after UA 367 arrives on the timetable: more than half a day, so not a connection we count.