F9 4236 then WN 3106 at Denver
Salt Lake City → Denver → Des Moines
Timetable, Denver time
17:51F9 4236 from Salt Lake City at the gate
17:50WN 3106 to Des Moines leaves the gate
23 h 59 apart on the timetable, overnight
WN 3106 leaves 23 h 59 after F9 4236 arrives on the timetable: more than half a day, so not a connection we count.