DL 2419 then B6 1302 at Phoenix
Seattle → Phoenix → Boston
Timetable, Phoenix time
11:21DL 2419 from Seattle at the gate
23:59B6 1302 to Boston leaves the gate
12 h 38 apart on the timetable
B6 1302 leaves 12 h 38 after DL 2419 arrives on the timetable: more than half a day, so not a connection we count.