MU 8665 then LY 4668 at San Francisco
New York JFK → San Francisco → Boston
Timetable, San Francisco time
22:42MU 8665 from New York JFK at the gate
12:55LY 4668 to Boston leaves the gatealso MU 8695
14 h 13 apart on the timetable, overnight
LY 4668 leaves 14 h 13 after MU 8665 arrives on the timetable: more than half a day, so not a connection we count.