WN 1780 then DL 1931 at Salt Lake City
Denver → Salt Lake City → Spokane
Timetable, Salt Lake City time
07:35WN 1780 from Denver at the gate
11:00DL 1931 to Spokane leaves the gate
3 h 25 apart on the timetable
The last days
WN 1780 and DL 1931 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.