DL 2148 then DL 3876 at Denver
Los Angeles → Denver → Austin
Timetable, Denver time
11:56DL 2148 from Los Angeles at the gate
09:42DL 3876 to Austin leaves the gate
21 h 46 apart on the timetable, overnight
DL 3876 leaves 21 h 46 after DL 2148 arrives on the timetable: more than half a day, so not a connection we count.