DL 1628 then B6 1488 at LAX
Seattle (SEA) → Los Angeles → Boston
Timetable, Los Angeles time
09:28DL 1628 from Seattle (SEA) at the gate
22:00B6 1488 to Boston leaves the gate
12 h 32 apart on the timetable
B6 1488 leaves 12 h 32 after DL 1628 arrives on the timetable: more than half a day, so not a connection we count.