DL 1570 then DL 1423 at Salt Lake City
Kalispell → Salt Lake City → Sacramento
Timetable, Salt Lake City time
14:15DL 1570 from Kalispell at the gate
17:11DL 1423 to Sacramento leaves the gate
2 h 56 apart on the timetable
The last days
DL 1570 and DL 1423 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.