AV 2037 then UA 1646 at San Francisco
Seattle → San Francisco → Baltimore
Timetable, San Francisco time
21:50AV 2037 from Seattle at the gate
21:30UA 1646 to Baltimore leaves the gatealso NZ 9032
23 h 40 apart on the timetable, overnight
UA 1646 leaves 23 h 40 after AV 2037 arrives on the timetable: more than half a day, so not a connection we count.