KL 7479 then B6 1534 at San Francisco
Detroit → San Francisco → Boston
Timetable, San Francisco time
23:02KL 7479 from Detroit at the gate
22:10B6 1534 to Boston leaves the gatealso EY 8032
23 h 08 apart on the timetable, overnight
B6 1534 leaves 23 h 08 after KL 7479 arrives on the timetable: more than half a day, so not a connection we count.