UA 2210 then DL 675 at Boston
Los Angeles → Boston → Kansas City
Timetable, Boston time
07:15UA 2210 from Los Angeles at the gate
06:15DL 675 to Kansas City leaves the gate
23 h apart on the timetable, overnight
DL 675 leaves 23 h after UA 2210 arrives on the timetable: more than half a day, so not a connection we count.