DL 1632 then UA 5707 at Salt Lake City
Denver → Salt Lake City → Chicago O'Hare
Timetable, Salt Lake City time
08:55DL 1632 from Denver at the gate
12:29UA 5707 to Chicago O'Hare leaves the gate
3 h 34 apart on the timetable
The last days
DL 1632 and UA 5707 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.