B6 160 then DL 675 at Boston
Philadelphia → Boston → Kansas City
Timetable, Boston time
08:20B6 160 from Philadelphia at the gate
06:15DL 675 to Kansas City leaves the gate
21 h 55 apart on the timetable, overnight
DL 675 leaves 21 h 55 after B6 160 arrives on the timetable: more than half a day, so not a connection we count.