AV 2125 then UA 1646 at San Francisco
Portland (Oregon) → San Francisco → Baltimore
Timetable, San Francisco time
09:07AV 2125 from Portland (Oregon) at the gate
21:30UA 1646 to Baltimore leaves the gatealso NZ 9032
12 h 23 apart on the timetable
UA 1646 leaves 12 h 23 after AV 2125 arrives on the timetable: more than half a day, so not a connection we count.