WN 4725 then DL 675 at Boston
Baltimore → Boston → Kansas City
Timetable, Boston time
08:05WN 4725 from Baltimore at the gate
06:15DL 675 to Kansas City leaves the gate
22 h 10 apart on the timetable, overnight
DL 675 leaves 22 h 10 after WN 4725 arrives on the timetable: more than half a day, so not a connection we count.