WN 986 then UA 5935 at Salt Lake City
Dallas → Salt Lake City → Denver
Timetable, Salt Lake City time
13:45WN 986 from Dallas at the gate
18:16UA 5935 to Denver leaves the gate
4 h 31 apart on the timetable
The last days
WN 986 and UA 5935 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.