AV 2055 then DL 977 at San Francisco
Monterey → San Francisco → Boston
Timetable, San Francisco time
20:51AV 2055 from Monterey at the gatealso UA 4633, LH 8529
13:00DL 977 to Boston leaves the gatealso KE 6731
16 h 09 apart on the timetable, overnight
DL 977 leaves 16 h 09 after AV 2055 arrives on the timetable: more than half a day, so not a connection we count.