WN 4428 then B6 1488 at LAX
Denver → Los Angeles → Boston
Timetable, Los Angeles time
09:26WN 4428 from Denver at the gate
22:00B6 1488 to Boston leaves the gate
12 h 34 apart on the timetable
B6 1488 leaves 12 h 34 after WN 4428 arrives on the timetable: more than half a day, so not a connection we count.