2I 594 then DL 1570 at Salt Lake City
Denver → Salt Lake City → Kalispell
Timetable, Salt Lake City time
10:072I 594 from Denver at the gate
09:50DL 1570 to Kalispell leaves the gate
23 h 43 apart on the timetable, overnight
DL 1570 leaves 23 h 43 after 2I 594 arrives on the timetable: more than half a day, so not a connection we count.