UA 4675 then DL 3876 at Denver
Colorado Springs → Denver → Austin
Timetable, Denver time
11:38UA 4675 from Colorado Springs at the gate
09:42DL 3876 to Austin leaves the gate
22 h 04 apart on the timetable, overnight
DL 3876 leaves 22 h 04 after UA 4675 arrives on the timetable: more than half a day, so not a connection we count.