B6 1187 then DL 8785 at LAX
Boston → Los Angeles → Salt Lake City
Timetable, Los Angeles time
23:56B6 1187 from Boston at the gate
19:55DL 8785 to Salt Lake City leaves the gate
19 h 59 apart on the timetable, overnight
DL 8785 leaves 19 h 59 after B6 1187 arrives on the timetable: more than half a day, so not a connection we count.