B6 1488 then DL 675 at Boston
Los Angeles → Boston → Kansas City
Timetable, Boston time
06:30B6 1488 from Los Angeles at the gate
06:15DL 675 to Kansas City leaves the gate
23 h 45 apart on the timetable, overnight
DL 675 leaves 23 h 45 after B6 1488 arrives on the timetable: more than half a day, so not a connection we count.