AV 2267 then UA 1372 at San Francisco
Medford → San Francisco → Boston
Timetable, San Francisco time
21:20AV 2267 from Medford at the gate
12:45UA 1372 to Boston leaves the gatealso VA 8305, NZ 9010
15 h 25 apart on the timetable, overnight
UA 1372 leaves 15 h 25 after AV 2267 arrives on the timetable: more than half a day, so not a connection we count.