BR 3112 then UA 1646 at San Francisco
Santa Clara → San Francisco → Baltimore
Timetable, San Francisco time
21:40BR 3112 from Santa Clara at the gate
21:30UA 1646 to Baltimore leaves the gatealso NZ 9032
23 h 50 apart on the timetable, overnight
UA 1646 leaves 23 h 50 after BR 3112 arrives on the timetable: more than half a day, so not a connection we count.