UA 2348 then DL 2228 at Salt Lake City
Denver → Salt Lake City → Indianapolis
Timetable, Salt Lake City time
17:13UA 2348 from Denver at the gate
13:55DL 2228 to Indianapolis leaves the gate
20 h 42 apart on the timetable, overnight
DL 2228 leaves 20 h 42 after UA 2348 arrives on the timetable: more than half a day, so not a connection we count.