DL 1584 then DL 4148 at LAX
Austin → Los Angeles → Boise
Timetable, Los Angeles time
20:26DL 1584 from Austin at the gate
19:50DL 4148 to Boise leaves the gate
23 h 24 apart on the timetable, overnight
DL 4148 leaves 23 h 24 after DL 1584 arrives on the timetable: more than half a day, so not a connection we count.