WN 818 then DL 2111 at Salt Lake City
Denver → Salt Lake City → Boise
Timetable, Salt Lake City time
18:50WN 818 from Denver at the gate
17:20DL 2111 to Boise leaves the gate
22 h 30 apart on the timetable, overnight
DL 2111 leaves 22 h 30 after WN 818 arrives on the timetable: more than half a day, so not a connection we count.