DL 3725 then B6 1524 at LAX
Boise → Los Angeles → New York JFK
Timetable, Los Angeles time
08:20DL 3725 from Boise at the gate
20:55B6 1524 to New York JFK leaves the gate
12 h 35 apart on the timetable
B6 1524 leaves 12 h 35 after DL 3725 arrives on the timetable: more than half a day, so not a connection we count.