DL 2986 then B6 1534 at San Francisco
Los Angeles → San Francisco → Boston
Timetable, San Francisco time
22:45DL 2986 from Los Angeles at the gatealso VS 4111, LA 7912
22:10B6 1534 to Boston leaves the gatealso EY 8032
23 h 25 apart on the timetable, overnight
B6 1534 leaves 23 h 25 after DL 2986 arrives on the timetable: more than half a day, so not a connection we count.